Ports Paradise error handler, with in game runtime viewer! (#24036)

* Ports paradise error handler, with in game runtime viewer!

* Changes to the old runtime error and removes inerror reference

* Oops

* Adds a wrapper for world.log so it displays both in the runtime diary and in DD window

code/__DEFINES/misc.dm

@@ -346,7 +346,7 @@ var/global/list/ghost_others_options = list(GHOST_OTHERS_SIMPLE, GHOST_OTHERS_DE
 //debug printing macros
 #define debug_world(msg) if (Debug2) world << "DEBUG: [msg]"
 #define debug_admins(msg) if (Debug2) admins << "DEBUG: [msg]"
-#define debug_world_log(msg) if (Debug2) world.log << "DEBUG: [msg]"
+#define debug_world_log(msg) if (Debug2) log_world("DEBUG: [msg]")
 
 #define COORD(A) "([A.x],[A.y],[A.z])"
 #define INCREMENT_TALLY(L, stat) if(L[stat]){L[stat]++}else{L[stat] = 1}
@@ -409,3 +409,6 @@ var/global/list/ghost_others_options = list(GHOST_OTHERS_SIMPLE, GHOST_OTHERS_DE
 #define TURF_DECAL_PAINT "paint"
 #define TURF_DECAL_DAMAGE "damage"
 #define TURF_DECAL_DIRT "dirt"
+
+//Error handler defines
+#define ERROR_USEFUL_LEN 2

code/__HELPERS/_logging.dm

@@ -1,16 +1,18 @@
 //print a warning message to world.log
 #define WARNING(MSG) warning("[MSG] in [__FILE__] at line [__LINE__] src: [src] usr: [usr].")
 /proc/warning(msg)
-	world.log << "## WARNING: [msg]"
+	msg = "## WARNING: [msg]"
+	log_world(msg)
 
 //not an error or a warning, but worth to mention on the world log, just in case.
 #define NOTICE(MSG) notice(MSG)
 /proc/notice(msg)
-	world.log << "## NOTICE: [msg]"
+	msg = "## NOTICE: [msg]"
+	log_world(msg)
 
 //print a testing-mode debug message to world.log and world
 #ifdef TESTING
-#define testing(msg) world.log << "## TESTING: [msg]"; world << "## TESTING: [msg]"
+#define testing(msg) log_world("## TESTING: [msg]"); world << "## TESTING: [msg]"
 #else
 #define testing(msg)
 #endif
@@ -80,3 +82,30 @@
 /proc/log_chat(text)
 	if (config.log_pda)
 		diary << "\[[time_stamp()]]CHAT: [text]"
+
+//This replaces world.log so it displays both in DD and the file
+/proc/log_world(text)
+	if(config && config.log_runtimes)
+		world.log = runtime_diary
+		world.log << text
+	world.log = null
+	world.log << text
+
+// Helper procs for building detailed log lines
+
+/proc/datum_info_line(datum/D)
+	if(!istype(D))
+		return
+	if(!istype(D, /mob))
+		return "[D] ([D.type])"
+	var/mob/M = D
+	return "[M] ([M.ckey]) ([M.type])"
+
+/proc/atom_loc_line(atom/A)
+	if(!istype(A))
+		return
+	var/turf/T = get_turf(A)
+	if(istype(T))
+		return "[A.loc] [COORD(T)] ([A.loc.type])"
+	else if(A.loc)
+		return "[A.loc] (0, 0, 0) ([A.loc.type])"

code/__HELPERS/bandetect.dm

@@ -5,7 +5,7 @@
 	var/DBQuery/query = dbcon.NewQuery("SELECT DATEDIFF(Now(),'[y]-[m]-[d]')")
 
 	if(!query.Execute())
-		world.log << "SQL ERROR doing datediff. Error : \[[query.ErrorMsg()]\]\n"
+		log_world("SQL ERROR doing datediff. Error : \[[query.ErrorMsg()]\]\n")
 		return FALSE
 
 	if(query.NextRow())
@@ -24,7 +24,7 @@
 /client/proc/findJoinDate()
 	var/http[] = world.Export("http://byond.com/members/[src.ckey]?format=text")
 	if(!http)
-		world.log << "Failed to connect to byond age check for [src.ckey]"
+		log_world("Failed to connect to byond age check for [src.ckey]")
 		return FALSE
 
 	var/F = file2text(http["CONTENT"])

code/_globalvars/logging.dm

@@ -1,4 +1,5 @@
 var/diary = null
+var/runtime_diary = null
 var/diaryofmeanpeople = null
 var/href_logfile = null
 

code/controllers/configuration.dm

@@ -42,6 +42,7 @@
 	var/log_hrefs = 0					// log all links clicked in-game. Could be used for debugging and tracking down exploits
 	var/log_twitter = 0					// log certain expliotable parrots and other such fun things in a JSON file of twitter valid phrases.
 	var/log_world_topic = 0				// log all world.Topic() calls
+	var/log_runtimes = FALSE			// log runtimes into a file
 	var/sql_enabled = 0					// for sql switching
 	var/allow_admin_ooccolor = 0		// Allows admins with relevant permissions to have their own ooc colour
 	var/allow_vote_restart = 0 			// allow votes to restart
@@ -241,6 +242,11 @@
 	var/minutetopiclimit
 	var/secondtopiclimit
 
+	var/error_cooldown = 600 // The "cooldown" time for each occurrence of a unique error
+	var/error_limit = 50 // How many occurrences before the next will silence them
+	var/error_silence_time = 6000 // How long a unique error will be silenced for
+	var/error_msg_delay = 50 // How long to wait between messaging admins about occurrences of a unique error
+
 /datum/configuration/New()
 	gamemode_cache = typecacheof(/datum/game_mode,TRUE)
 	for(var/T in gamemode_cache)
@@ -459,10 +465,11 @@
 				if("aggressive_changelog")
 					config.aggressive_changelog = 1
 				if("log_runtimes")
+					log_runtimes = TRUE
 					var/newlog = file("data/logs/runtimes/runtime-[time2text(world.realtime, "YYYY-MM-DD")].log")
-					if (world.log != newlog)
+					if(runtime_diary != newlog)
 						world.log << "Now logging runtimes to data/logs/runtimes/runtime-[time2text(world.realtime, "YYYY-MM-DD")].log"
-						world.log = newlog
+						runtime_diary = newlog
 				if("autoconvert_notes")
 					config.autoconvert_notes = 1
 				if("allow_webclient")
@@ -495,6 +502,14 @@
 					config.minutetopiclimit = text2num(value)
 				if("second_topic_limit")
 					config.secondtopiclimit = text2num(value)
+				if("error_cooldown")
+					error_cooldown = text2num(value)
+				if("error_limit")
+					error_limit = text2num(value)
+				if("error_silence_time")
+					error_silence_time = text2num(value)
+				if("error_msg_delay")
+					error_msg_delay = text2num(value)
 				else
 					diary << "Unknown setting in configuration: '[name]'"
 

code/controllers/master.dm

@@ -104,7 +104,7 @@ var/CURRENT_TICKLIMIT = TICK_LIMIT_RUNNING
 					msg += "\t [varname] = [D]([D.type])\n"
 				else
 					msg += "\t [varname] = [varval]\n"
-	world.log << msg
+	log_world(msg)
 	if (istype(Master.subsystems))
 		subsystems = Master.subsystems
 		StartProcessing(10)
@@ -139,7 +139,7 @@ var/CURRENT_TICKLIMIT = TICK_LIMIT_RUNNING
 	CURRENT_TICKLIMIT = TICK_LIMIT_RUNNING
 
 	world << "<span class='boldannounce'>Initializations complete!</span>"
-	world.log << "Initializations complete."
+	log_world("Initializations complete.")
 
 	// Sort subsystems by display setting for easy access.
 	sortTim(subsystems, /proc/cmp_subsystem_display)
@@ -267,7 +267,7 @@ var/CURRENT_TICKLIMIT = TICK_LIMIT_RUNNING
 			subsystems_to_check = tickersubsystems
 		if (CheckQueue(subsystems_to_check) <= 0)
 			if (!SoftReset(tickersubsystems, normalsubsystems, lobbysubsystems))
-				world.log << "MC: SoftReset() failed, crashing"
+				log_world("MC: SoftReset() failed, crashing")
 				return
 			if (!error_level)
 				iteration++
@@ -279,7 +279,7 @@ var/CURRENT_TICKLIMIT = TICK_LIMIT_RUNNING
 		if (queue_head)
 			if (RunQueue() <= 0)
 				if (!SoftReset(tickersubsystems, normalsubsystems, lobbysubsystems))
-					world.log << "MC: SoftReset() failed, crashing"
+					log_world("MC: SoftReset() failed, crashing")
 					return
 				if (!error_level)
 					iteration++
@@ -451,9 +451,9 @@ var/CURRENT_TICKLIMIT = TICK_LIMIT_RUNNING
 //	called if any mc's queue procs runtime or exit improperly.
 /datum/controller/master/proc/SoftReset(list/ticker_SS, list/normal_SS, list/lobby_SS)
 	. = 0
-	world.log << "MC: SoftReset called, resetting MC queue state."
+	log_world("MC: SoftReset called, resetting MC queue state.")
 	if (!istype(subsystems) || !istype(ticker_SS) || !istype(normal_SS) || !istype(lobby_SS))
-		world.log << "MC: SoftReset: Bad list contents: '[subsystems]' '[ticker_SS]' '[normal_SS]' '[lobby_SS]' Crashing!"
+		log_world("MC: SoftReset: Bad list contents: '[subsystems]' '[ticker_SS]' '[normal_SS]' '[lobby_SS]' Crashing!")
 		return
 	var/subsystemstocheck = subsystems + ticker_SS + normal_SS + lobby_SS
 
@@ -465,26 +465,26 @@ var/CURRENT_TICKLIMIT = TICK_LIMIT_RUNNING
 			ticker_SS -= list(SS)
 			normal_SS -= list(SS)
 			lobby_SS -= list(SS)
-			world.log << "MC: SoftReset: Found bad entry in subsystem list, '[SS]'"
+			log_world("MC: SoftReset: Found bad entry in subsystem list, '[SS]'")
 			continue
 		if (SS.queue_next && !istype(SS.queue_next))
-			world.log << "MC: SoftReset: Found bad data in subsystem queue, queue_next = '[SS.queue_next]'"
+			log_world("MC: SoftReset: Found bad data in subsystem queue, queue_next = '[SS.queue_next]'")
 		SS.queue_next = null
 		if (SS.queue_prev && !istype(SS.queue_prev))
-			world.log << "MC: SoftReset: Found bad data in subsystem queue, queue_prev = '[SS.queue_prev]'"
+			log_world("MC: SoftReset: Found bad data in subsystem queue, queue_prev = '[SS.queue_prev]'")
 		SS.queue_prev = null
 		SS.queued_priority = 0
 		SS.queued_time = 0
 		SS.state = SS_IDLE
 	if (queue_head && !istype(queue_head))
-		world.log << "MC: SoftReset: Found bad data in subsystem queue, queue_head = '[queue_head]'"
+		log_world("MC: SoftReset: Found bad data in subsystem queue, queue_head = '[queue_head]'")
 	queue_head = null
 	if (queue_tail && !istype(queue_tail))
-		world.log << "MC: SoftReset: Found bad data in subsystem queue, queue_tail = '[queue_tail]'"
+		log_world("MC: SoftReset: Found bad data in subsystem queue, queue_tail = '[queue_tail]'")
 	queue_tail = null
 	queue_priority_count = 0
 	queue_priority_count_bg = 0
-	world.log << "MC: SoftReset: Finished."
+	log_world("MC: SoftReset: Finished.")
 	. = 1
 
 

code/controllers/subsystem.dm

@@ -157,7 +157,7 @@
 	var/time = (world.timeofday - start_timeofday) / 10
 	var/msg = "Initialized [name] subsystem within [time] seconds!"
 	world << "<span class='boldannounce'>[msg]</span>"
-	world.log << msg
+	log_world(msg)
 	return time
 
 //hook for printing stats to the "MC" statuspanel for admins to see performance and related stats etc.

code/controllers/subsystem/garbage.dm

@@ -347,7 +347,6 @@ var/datum/subsystem/garbage_collector/SSgarbage
 //update this list using tools/DMTreeToGlobalsList
 /datum/proc/find_references_in_globals()
 	SearchVar(last_irc_status)
-	SearchVar(inerror)
 	SearchVar(failed_db_connections)
 	SearchVar(nextmap)
 	SearchVar(mapchanging)

code/controllers/subsystem/jobs.dm

@@ -374,10 +374,10 @@ var/datum/subsystem/job/SSjob
 			S = sloc
 			break
 		if(!S) //if there isn't a spawnpoint send them to latejoin, if there's no latejoin go yell at your mapper
-			world.log << "Couldn't find a round start spawn point for [rank]"
+			log_world("Couldn't find a round start spawn point for [rank]")
 			S = pick(latejoin)
 		if(!S) //final attempt, lets find some area in the arrivals shuttle to spawn them in to.
-			world.log << "Couldn't find a round start latejoin spawn point."
+			log_world("Couldn't find a round start latejoin spawn point.")
 			for(var/turf/T in get_area_turfs(/area/shuttle/arrival))
 				if(!T.density)
 					var/clear = 1

code/controllers/subsystem/lighting.dm

@@ -116,4 +116,4 @@ var/datum/subsystem/lighting/SSlighting
 					varval1 = "/list([length(varval1)])"
 					varval2 = "/list([length(varval2)])"
 				msg += "\t [varname] = [varval1] -> [varval2]\n"
-	world.log << msg
+	log_world(msg)

code/controllers/subsystem/minimap.dm

@@ -45,7 +45,7 @@ var/datum/subsystem/minimap/SSminimap
 	for(var/z in z_levels)
 		if(!fexists(file(map_path(z,backup))))	//Let's make sure we have a file for this map
 			if(backup)
-				world.log << "Failed to find backup file for map [MAP_NAME] on zlevel [z]."
+				log_world("Failed to find backup file for map [MAP_NAME] on zlevel [z].")
 			return FALSE
 	return TRUE
 

code/controllers/subsystem/ticker.dm

@@ -550,7 +550,7 @@ var/datum/subsystem/ticker/ticker
 		for(var/path in SSgarbage.didntgc)
 			dellog += "Path : [path] \n"
 			dellog += "Failures : [SSgarbage.didntgc[path]] \n"
-		world.log << dellog
+		log_world(dellog)
 
 	CHECK_TICK
 

code/datums/datumvars.dm

@@ -627,7 +627,7 @@
 			if (prompt != "Yes")
 				return
 			L.Cut(index, index+1)
-			world.log << "### ListVarEdit by [src]: /list's contents: REMOVED=[html_encode("[variable]")]"
+			log_world("### ListVarEdit by [src]: /list's contents: REMOVED=[html_encode("[variable]")]")
 			log_admin("[key_name(src)] modified list's contents: REMOVED=[variable]")
 			message_admins("[key_name_admin(src)] modified list's contents: REMOVED=[variable]")
 
@@ -646,7 +646,7 @@
 				return
 
 			uniqueList_inplace(L)
-			world.log << "### ListVarEdit by [src]: /list contents: CLEAR DUPES"
+			log_world("### ListVarEdit by [src]: /list contents: CLEAR DUPES")
 			log_admin("[key_name(src)] modified list's contents: CLEAR DUPES")
 			message_admins("[key_name_admin(src)] modified list's contents: CLEAR DUPES")
 
@@ -657,7 +657,7 @@
 				return
 
 			listclearnulls(L)
-			world.log << "### ListVarEdit by [src]: /list contents: CLEAR NULLS"
+			log_world("### ListVarEdit by [src]: /list contents: CLEAR NULLS")
 			log_admin("[key_name(src)] modified list's contents: CLEAR NULLS")
 			message_admins("[key_name_admin(src)] modified list's contents: CLEAR NULLS")
 
@@ -671,7 +671,7 @@
 				return
 
 			L.len = value["value"]
-			world.log << "### ListVarEdit by [src]: /list len: [L.len]"
+			log_world("### ListVarEdit by [src]: /list len: [L.len]")
 			log_admin("[key_name(src)] modified list's len: [L.len]")
 			message_admins("[key_name_admin(src)] modified list's len: [L.len]")
 
@@ -682,7 +682,7 @@
 				return
 
 			shuffle_inplace(L)
-			world.log << "### ListVarEdit by [src]: /list contents: SHUFFLE"
+			log_world("### ListVarEdit by [src]: /list contents: SHUFFLE")
 			log_admin("[key_name(src)] modified list's contents: SHUFFLE")
 			message_admins("[key_name_admin(src)] modified list's contents: SHUFFLE")
 

code/datums/helper_datums/getrev.dm

@@ -19,17 +19,17 @@ var/global/datum/getrev/revdata = new()
 	parentcommit = head_log.group[1]
 	date = unix2date(text2num(head_log.group[2]))
 	commit = head_log.group[4]
-	world.log << "Running /tg/ revision:"
+	log_world("Running /tg/ revision:")
-	world.log << "[date]"
+	log_world("[date]")
 	if(testmerge.len)
-		world.log << commit
+		log_world(commit)
 		for(var/line in testmerge)
 			if(line)
-				world.log << "Test merge active of PR #[line]"
+				log_world("Test merge active of PR #[line]")
-		world.log << "Based off master commit [parentcommit]"
+		log_world("Based off master commit [parentcommit]")
 	else
-		world.log << parentcommit
+		log_world(parentcommit)
-	world.log << "Current map - [MAP_NAME]" //can't think of anywhere better to put it
+	log_world("Current map - [MAP_NAME]") //can't think of anywhere better to put it
 
 /client/verb/showrevinfo()
 	set category = "OOC"

code/datums/helper_datums/map_template.dm

@@ -75,7 +75,7 @@
 		. = file(mappath)
 
 	if(!.)
-		world.log << "The file of [src] appears to be empty/non-existent."
+		log_world("The file of [src] appears to be empty/non-existent.")
 
 /datum/map_template/proc/get_affected_turfs(turf/T, centered = FALSE)
 	var/turf/placement = T

code/game/objects/explosion.dm

@@ -179,7 +179,7 @@ var/explosionid = 1
 	var/took = (world.timeofday-start)/10
 	//You need to press the DebugGame verb to see these now....they were getting annoying and we've collected a fair bit of data. Just -test- changes  to explosion code using this please so we can compare
 	if(Debug2)
-		world.log << "## DEBUG: Explosion([x0],[y0],[z0])(d[devastation_range],h[heavy_impact_range],l[light_impact_range]): Took [took] seconds."
+		log_world("## DEBUG: Explosion([x0],[y0],[z0])(d[devastation_range],h[heavy_impact_range],l[light_impact_range]): Took [took] seconds.")
 
 	//Machines which report explosions.
 	for(var/array in doppler_arrays)

code/modules/admin/IsBanned.dm

@@ -62,7 +62,7 @@
 		var/ckeytext = ckey(key)
 
 		if(!establish_db_connection())
-			world.log << "Ban database connection failure. Key [ckeytext] not checked"
+			log_world("Ban database connection failure. Key [ckeytext] not checked")
 			diary << "Ban database connection failure. Key [ckeytext] not checked"
 			return
 

code/modules/admin/admin_ranks.dm

@@ -129,7 +129,7 @@ var/list/admin_ranks = list()								//list of all admin_rank datums
 	else
 		establish_db_connection()
 		if(!dbcon.IsConnected())
-			world.log << "Failed to connect to database in load_admin_ranks(). Reverting to legacy system."
+			log_world("Failed to connect to database in load_admin_ranks(). Reverting to legacy system.")
 			diary << "Failed to connect to database in load_admin_ranks(). Reverting to legacy system."
 			config.admin_legacy_system = 1
 			load_admin_ranks()
@@ -204,7 +204,7 @@ var/list/admin_ranks = list()								//list of all admin_rank datums
 	else
 		establish_db_connection()
 		if(!dbcon.IsConnected())
-			world.log << "Failed to connect to database in load_admins(). Reverting to legacy system."
+			log_world("Failed to connect to database in load_admins(). Reverting to legacy system.")
 			diary << "Failed to connect to database in load_admins(). Reverting to legacy system."
 			config.admin_legacy_system = 1
 			load_admins()

code/modules/admin/admin_verbs.dm

@@ -156,7 +156,8 @@ var/list/admin_verbs_debug = list(
 	/client/proc/map_template_upload,
 	/client/proc/jump_to_ruin,
 	/client/proc/clear_dynamic_transit,
-	/client/proc/toggle_medal_disable
+	/client/proc/toggle_medal_disable,
+	/client/proc/view_runtimes
 	)
 var/list/admin_verbs_possess = list(
 	/proc/possess,

code/modules/admin/topic.dm

@@ -2246,3 +2246,14 @@
 		message_admins("[key_name(usr)] created \"[G.name]\" station goal.")
 		ticker.mode.station_goals += G
 		modify_goals()
+
+	else if(href_list["viewruntime"])
+		var/datum/error_viewer/error_viewer = locate(href_list["viewruntime"])
+		if(!istype(error_viewer))
+			usr << "<span class='warning'>That runtime viewer no longer exists.</span>"
+			return
+
+		if(href_list["viewruntime_backto"])
+			error_viewer.show_to(owner, locate(href_list["viewruntime_backto"]), href_list["viewruntime_linear"])
+		else
+			error_viewer.show_to(owner, null, href_list["viewruntime_linear"])

code/modules/admin/verbs/debug.dm

@@ -759,3 +759,13 @@ var/list/TYPES_SHORTCUTS = list(
 	message_admins("<span class='adminnotice'>[key_name_admin(src)] [global.medals_enabled ? "disabled" : "enabled"] the medal hub lockout.</span>")
 	feedback_add_details("admin_verb","TMH") // If...
 	log_admin("[key_name(src)] [global.medals_enabled ? "disabled" : "enabled"] the medal hub lockout.")
+
+/client/proc/view_runtimes()
+	set category = "Debug"
+	set name = "View Runtimes"
+	set desc = "Open the runtime Viewer"
+
+	if(!holder)
+		return
+
+	error_cache.show_to(src)

code/modules/admin/verbs/massmodvar.dm

@@ -193,7 +193,7 @@
 	if (rejected)
 		src << "[rejected] out of [count] objects rejected your edit"
 
-	world.log << "### MassVarEdit by [src]: [O.type] (A/R [accepted]/[rejected]) [variable]=[html_encode("[O.vars[variable]]")]([list2params(value)])"
+	log_world("### MassVarEdit by [src]: [O.type] (A/R [accepted]/[rejected]) [variable]=[html_encode("[O.vars[variable]]")]([list2params(value)])")
 	log_admin("[key_name(src)] mass modified [original_name]'s [variable] to [O.vars[variable]] ([accepted] objects modified)")
 	message_admins("[key_name_admin(src)] mass modified [original_name]'s [variable] to [O.vars[variable]] ([accepted] objects modified)")
 

code/modules/admin/verbs/modifyvariables.dm

@@ -337,7 +337,7 @@ var/list/VVpixelmovement = list("step_x", "step_y", "bound_height", "bound_width
 		if (O.vv_edit_var(objectvar, L) == FALSE)
 			src << "Your edit was rejected by the object."
 			return
-	world.log << "### ListVarEdit by [src]: [(O ? O.type : "/list")] [objectvar]: ADDED=[var_value]"
+	log_world("### ListVarEdit by [src]: [(O ? O.type : "/list")] [objectvar]: ADDED=[var_value]")
 	log_admin("[key_name(src)] modified [original_name]'s [objectvar]: ADDED=[var_value]")
 	message_admins("[key_name_admin(src)] modified [original_name]'s [objectvar]: ADDED=[var_value]")
 
@@ -380,7 +380,7 @@ var/list/VVpixelmovement = list("step_x", "step_y", "bound_height", "bound_width
 			if (!O.vv_edit_var(objectvar, L))
 				src << "Your edit was rejected by the object."
 				return
-			world.log << "### ListVarEdit by [src]: [O.type] [objectvar]: CLEAR NULLS"
+			log_world("### ListVarEdit by [src]: [O.type] [objectvar]: CLEAR NULLS")
 			log_admin("[key_name(src)] modified [original_name]'s [objectvar]: CLEAR NULLS")
 			message_admins("[key_name_admin(src)] modified [original_name]'s list [objectvar]: CLEAR NULLS")
 			return
@@ -390,7 +390,7 @@ var/list/VVpixelmovement = list("step_x", "step_y", "bound_height", "bound_width
 			if (!O.vv_edit_var(objectvar, L))
 				src << "Your edit was rejected by the object."
 				return
-			world.log << "### ListVarEdit by [src]: [O.type] [objectvar]: CLEAR DUPES"
+			log_world("### ListVarEdit by [src]: [O.type] [objectvar]: CLEAR DUPES")
 			log_admin("[key_name(src)] modified [original_name]'s [objectvar]: CLEAR DUPES")
 			message_admins("[key_name_admin(src)] modified [original_name]'s list [objectvar]: CLEAR DUPES")
 			return
@@ -400,7 +400,7 @@ var/list/VVpixelmovement = list("step_x", "step_y", "bound_height", "bound_width
 			if (!O.vv_edit_var(objectvar, L))
 				src << "Your edit was rejected by the object."
 				return
-			world.log << "### ListVarEdit by [src]: [O.type] [objectvar]: SHUFFLE"
+			log_world("### ListVarEdit by [src]: [O.type] [objectvar]: SHUFFLE")
 			log_admin("[key_name(src)] modified [original_name]'s [objectvar]: SHUFFLE")
 			message_admins("[key_name_admin(src)] modified [original_name]'s list [objectvar]: SHUFFLE")
 			return
@@ -477,7 +477,7 @@ var/list/VVpixelmovement = list("step_x", "step_y", "bound_height", "bound_width
 				if (O.vv_edit_var(objectvar, L))
 					src << "Your edit was rejected by the object."
 					return
-			world.log << "### ListVarEdit by [src]: [O.type] [objectvar]: REMOVED=[html_encode("[original_var]")]"
+			log_world("### ListVarEdit by [src]: [O.type] [objectvar]: REMOVED=[html_encode("[original_var]")]")
 			log_admin("[key_name(src)] modified [original_name]'s [objectvar]: REMOVED=[original_var]")
 			message_admins("[key_name_admin(src)] modified [original_name]'s [objectvar]: REMOVED=[original_var]")
 			return
@@ -496,7 +496,7 @@ var/list/VVpixelmovement = list("step_x", "step_y", "bound_height", "bound_width
 		if (O.vv_edit_var(objectvar, L) == FALSE)
 			src << "Your edit was rejected by the object."
 			return
-	world.log << "### ListVarEdit by [src]: [(O ? O.type : "/list")] [objectvar]: [original_var]=[new_var]"
+	log_world("### ListVarEdit by [src]: [(O ? O.type : "/list")] [objectvar]: [original_var]=[new_var]")
 	log_admin("[key_name(src)] modified [original_name]'s [objectvar]: [original_var]=[new_var]")
 	message_admins("[key_name_admin(src)] modified [original_name]'s varlist [objectvar]: [original_var]=[new_var]")
 
@@ -605,6 +605,6 @@ var/list/VVpixelmovement = list("step_x", "step_y", "bound_height", "bound_width
 	if (O.vv_edit_var(variable, var_new) == FALSE)
 		src << "Your edit was rejected by the object."
 		return
-	world.log << "### VarEdit by [src]: [O.type] [variable]=[html_encode("[O.vars[variable]]")]"
+	log_world("### VarEdit by [src]: [O.type] [variable]=[html_encode("[O.vars[variable]]")]")
 	log_admin("[key_name(src)] modified [original_name]'s [variable] to [O.vars[variable]]")
 	message_admins("[key_name_admin(src)] modified [original_name]'s [variable] to [O.vars[variable]]")

code/modules/awaymissions/maploader/swapmaps.dm

@@ -586,7 +586,7 @@ var/swapmaps_byname
 	else if(swapmaps_mode!=SWAPMAPS_TEXT && fexists("map_[template_id].txt"))
 		text=1
 	else
-		world.log << "SwapMaps error in SwapMaps_CreateFromTemplate(): map_[template_id] file not found."
+		log_world("SwapMaps error in SwapMaps_CreateFromTemplate(): map_[template_id] file not found.")
 		return
 	if(text)
 		S=new
@@ -613,7 +613,7 @@ var/swapmaps_byname
 	else if(swapmaps_mode!=SWAPMAPS_TEXT && fexists("map_[chunk_id].txt"))
 		text=1
 	else
-		world.log << "SwapMaps error in SwapMaps_LoadChunk(): map_[chunk_id] file not found."
+		log_world("SwapMaps error in SwapMaps_LoadChunk(): map_[chunk_id] file not found.")
 		return
 	if(text)
 		S=new
@@ -631,9 +631,11 @@ var/swapmaps_byname
 
 /proc/SwapMaps_SaveChunk(chunk_id,turf/corner1,turf/corner2)
 	if(!corner1 || !corner2)
-		world.log << "SwapMaps error in SwapMaps_SaveChunk():"
+		log_world("SwapMaps error in SwapMaps_SaveChunk():")
-		if(!corner1) world.log << "  corner1 turf is null"
+		if(!corner1)
-		if(!corner2) world.log << "  corner2 turf is null"
+			log_world("  corner1 turf is null")
+		if(!corner2)
+			log_world("  corner2 turf is null")
 		return
 	var/swapmap/M=new
 	M.id=chunk_id
@@ -660,7 +662,7 @@ var/swapmaps_byname
 	else if(swapmaps_mode!=SWAPMAPS_TEXT && fexists("map_[id].txt"))
 		text=1
 	else
-		world.log << "SwapMaps error in SwapMaps_GetSize(): map_[id] file not found."
+		log_world("SwapMaps error in SwapMaps_GetSize(): map_[id] file not found.")
 		return
 	if(text)
 		S=new

code/modules/awaymissions/zlevel.dm

@@ -18,7 +18,7 @@ var/global/list/potentialRandomZlevels = generateMapList(filename = "config/away
 	maploader.load_map(file)
 	smooth_zlevel(world.maxz)
 	SortAreas()
-	world.log << "loaded [file] as z-level [world.maxz]"
+	log_world("loaded [file] as z-level [world.maxz]")
 
 /proc/reset_gateway_spawns(reset = FALSE)
 	for(var/obj/machinery/gateway/G in world)
@@ -92,7 +92,7 @@ var/global/list/potentialRandomZlevels = generateMapList(filename = "config/away
 		if(ruins && ruins.len)
 			ruin = ruins[pick(ruins)]
 		else
-			world.log << "Ruin loader had no ruins to pick from with [budget] left to spend."
+			log_world("Ruin loader had no ruins to pick from with [budget] left to spend.")
 			break
 		// Can we afford it
 		if(ruin.cost > budget)
@@ -119,7 +119,7 @@ var/global/list/potentialRandomZlevels = generateMapList(filename = "config/away
 			if(!valid)
 				continue
 
-			world.log << "Ruin \"[ruin.name]\" placed at ([T.x], [T.y], [T.z])"
+			log_world("Ruin \"[ruin.name]\" placed at ([T.x], [T.y], [T.z])")
 
 			var/obj/effect/ruin_loader/R = new /obj/effect/ruin_loader(T)
 			R.Load(ruins,ruin)
@@ -129,7 +129,7 @@ var/global/list/potentialRandomZlevels = generateMapList(filename = "config/away
 			break
 
 	if(!overall_sanity)
-		world.log << "Ruin loader gave up with [budget] left to spend."
+		log_world("Ruin loader gave up with [budget] left to spend.")
 
 
 /obj/effect/ruin_loader

code/modules/error_handler/error_handler.dm

@@ -0,0 +1,114 @@
+var/global/list/error_last_seen = list()
+var/global/list/error_cooldown = list() /* Error_cooldown items will either be positive(cooldown time) or negative(silenced error)
+											 If negative, starts at -1, and goes down by 1 each time that error gets skipped*/
+var/global/total_runtimes = 0
+var/global/total_runtimes_skipped = 0
+
+#ifdef DEBUG
+/world/Error(exception/E, datum/e_src)
+	if(!istype(E)) //Something threw an unusual exception
+		log_world("\[[time_stamp()]] Uncaught exception: [E]")
+		return ..()
+	if(!error_last_seen) // A runtime is occurring too early in start-up initialization
+		return ..()
+
+	total_runtimes++
+
+	var/erroruid = "[E.file][E.line]"
+	var/last_seen = error_last_seen[erroruid]
+	var/cooldown = error_cooldown[erroruid] || 0
+
+	if(last_seen == null)
+		error_last_seen[erroruid] = world.time
+		last_seen = world.time
+
+	if(cooldown < 0)
+		error_cooldown[erroruid]-- //Used to keep track of skip count for this error
+		total_runtimes_skipped++
+		return //Error is currently silenced, skip handling it
+	//Handle cooldowns and silencing spammy errors
+	var/silencing = FALSE
+
+	// We can runtime before config is initialized because BYOND initialize objs/map before a bunch of other stuff happens.
+	// This is a bunch of workaround code for that. Hooray!
+
+	var/configured_error_cooldown = initial(config.error_cooldown)
+	var/configured_error_limit = initial(config.error_limit)
+	var/configured_error_silence_time = initial(config.error_silence_time)
+	if(config)
+		configured_error_cooldown = config.error_cooldown
+		configured_error_limit = config.error_limit
+		configured_error_silence_time = config.error_silence_time
+
+
+	//Each occurence of an unique error adds to its cooldown time...
+	cooldown = max(0, cooldown - (world.time - last_seen)) + configured_error_cooldown
+	// ... which is used to silence an error if it occurs too often, too fast
+	if(cooldown > configured_error_cooldown * configured_error_limit)
+		cooldown = -1
+		silencing = TRUE
+		spawn(0)
+			usr = null
+			sleep(configured_error_silence_time)
+			var/skipcount = abs(error_cooldown[erroruid]) - 1
+			error_cooldown[erroruid] = 0
+			if(skipcount > 0)
+				world.log << "\[[time_stamp()]] Skipped [skipcount] runtimes in [E.file],[E.line]."
+				error_cache.log_error(E, skip_count = skipcount)
+
+	error_last_seen[erroruid] = world.time
+	error_cooldown[erroruid] = cooldown
+
+	var/list/usrinfo = null
+	var/locinfo
+	if(istype(usr))
+		usrinfo = list("  usr: [datum_info_line(usr)]")
+		locinfo = atom_loc_line(usr)
+		if(locinfo)
+			usrinfo += "  usr.loc: [locinfo]"
+	// The proceeding mess will almost definitely break if error messages are ever changed
+	var/list/splitlines = splittext(E.desc, "\n")
+	var/list/desclines = list()
+	if(LAZYLEN(splitlines) > ERROR_USEFUL_LEN) // If there aren't at least three lines, there's no info
+		for(var/line in splitlines)
+			if(LAZYLEN(line) < 3 || findtext(line, "source file:") || findtext(line, "usr.loc:"))
+				continue
+			if(findtext(line, "usr:"))
+				if(usrinfo)
+					desclines.Add(usrinfo)
+					usrinfo = null
+				continue // Our usr info is better, replace it
+
+			if(copytext(line, 1, 3) != "  ")
+				desclines += ("  " + line) // Pad any unpadded lines, so they look pretty
+			else
+				desclines += line
+	if(usrinfo) //If this info isn't null, it hasn't been added yet
+		desclines.Add(usrinfo)
+	if(silencing)
+		desclines += "  (This error will now be silenced for [configured_error_silence_time / 600] minutes)"
+	if(error_cache)
+		error_cache.log_error(E, desclines)
+
+	world.log << "\[[time_stamp()]] Runtime in [E.file],[E.line]: [E]"
+	for(var/line in desclines)
+		world.log << line
+
+/* This logs the runtime in the old format */
+
+	E.name = "\n\[[time2text(world.timeofday,"hh:mm:ss")]\][E.name]"
+
+	//Original
+	//
+	var/list/split = splittext(E.desc, "\n")
+	for (var/i in 1 to split.len)
+		if (split[i] != "")
+			split[i] = "\[[time2text(world.timeofday,"hh:mm:ss")]\][split[i]]"
+	E.desc = jointext(split, "\n")
+	if(config && config.log_runtimes)
+		world.log = runtime_diary
+		..(E)
+
+	world.log = null
+
+#endif

code/modules/error_handler/error_viewer.dm

@@ -0,0 +1,194 @@
+// Error viewing datums, responsible for storing error info, notifying admins
+// when errors occur, and showing them to admins on demand.
+
+// There are 3 different types used here:
+//
+// - error_cache keeps track of all error sources, as well as all individually
+//   logged errors. Only one instance of this datum should ever exist, and it's
+//   right here:
+
+#ifdef DEBUG
+/var/datum/error_viewer/error_cache/error_cache = new()
+#else
+// If debugging is disabled, there's nothing useful to log, so don't bother.
+/var/datum/error_viewer/error_cache/error_cache = null
+#endif
+
+// - error_source datums exist for each line (of code) that generates an error,
+//   and keep track of all errors generated by that line.
+//
+// - error_entry datums exist for each logged error, and keep track of all
+//   relevant info about that error.
+
+// Common vars and procs are kept at the error_viewer level
+/datum/error_viewer
+	var/name = ""
+
+/datum/error_viewer/proc/browse_to(client/user, html)
+	var/datum/browser/browser = new(user.mob, "error_viewer", null, 600, 400)
+	browser.set_content(html)
+	browser.add_head_content({"
+	<style>
+	.runtime
+	{
+		background-color: #171717;
+		border: solid 1px #202020;
+		font-family: "Courier New";
+		padding-left: 10px;
+		color: #CCCCCC;
+	}
+	.runtime_line
+	{
+		margin-bottom: 10px;
+		display: inline-block;
+	}
+	</style>
+	"})
+	browser.open()
+
+/datum/error_viewer/proc/build_header(datum/error_viewer/back_to, linear)
+	// Common starter HTML for show_to
+
+	. = ""
+
+	if (istype(back_to))
+		. += back_to.make_link("<b>&lt;&lt;&lt;</b>", null, linear)
+
+	. += "[make_link("Refresh")]<br><br>"
+
+/datum/error_viewer/proc/show_to(user, datum/error_viewer/back_to, linear)
+	// Specific to each child type
+	return
+
+/datum/error_viewer/proc/make_link(linktext, datum/error_viewer/back_to, linear)
+	var/back_to_param = ""
+	if (!linktext)
+		linktext = name
+
+	if (istype(back_to))
+		back_to_param = ";viewruntime_backto=\ref[back_to]"
+
+	if (linear)
+		back_to_param += ";viewruntime_linear=1"
+
+	return "<a href='?_src_=holder;viewruntime=\ref[src][back_to_param]'>[linktext]</a>"
+
+/datum/error_viewer/error_cache
+	var/list/errors = list()
+	var/list/error_sources = list()
+	var/list/errors_silenced = list()
+
+/datum/error_viewer/error_cache/show_to(user, datum/error_viewer/back_to, linear)
+	var/html = build_header()
+	html += "<b>[global.total_runtimes]</b> runtimes, <b>[global.total_runtimes_skipped]</b> skipped<br><br>"
+	if (!linear)
+		html += "organized | [make_link("linear", null, 1)]<hr>"
+		var/datum/error_viewer/error_source/error_source
+		for (var/erroruid in error_sources)
+			error_source = error_sources[erroruid]
+			html += "[error_source.make_link(null, src)]<br>"
+
+	else
+		html += "[make_link("organized", null)] | linear<hr>"
+		for (var/datum/error_viewer/error_entry/error_entry in errors)
+			html += "[error_entry.make_link(null, src, 1)]<br>"
+
+	browse_to(user, html)
+
+/datum/error_viewer/error_cache/proc/log_error(exception/e, list/desclines, skip_count)
+	if (!istype(e))
+		return // Abnormal exception, don't even bother
+
+	var/erroruid = "[e.file][e.line]"
+	var/datum/error_viewer/error_source/error_source = error_sources[erroruid]
+	if (!error_source)
+		error_source = new(e)
+		error_sources[erroruid] = error_source
+
+	var/datum/error_viewer/error_entry/error_entry = new(e, desclines, skip_count)
+	error_entry.error_source = error_source
+	errors += error_entry
+	error_source.errors += error_entry
+	if (skip_count)
+		return // Skip notifying admins about skipped errors.
+
+	// Show the error to admins with debug messages turned on, but only if one
+	//  from the same source hasn't been shown too recently
+	if (error_source.next_message_at <= world.time)
+		var/const/viewtext = "\[view]" // Nesting these in other brackets went poorly
+		//log_debug("Runtime in <b>[e.file]</b>, line <b>[e.line]</b>: <b>[html_encode(e.name)]</b> [error_entry.make_link(viewtext)]")
+		var/err_msg_delay
+		if(config)
+			err_msg_delay = config.error_msg_delay
+		else
+			err_msg_delay = initial(config.error_msg_delay)
+		error_source.next_message_at = world.time + err_msg_delay
+
+/datum/error_viewer/error_source
+	var/list/errors = list()
+	var/next_message_at = 0
+
+/datum/error_viewer/error_source/New(exception/e)
+	if (!istype(e))
+		name = "\[[time_stamp()]] Uncaught exceptions"
+		return
+
+	name = "<b>\[[time_stamp()]]</b> Runtime in <b>[e.file]</b>, line <b>[e.line]</b>: <b>[html_encode(e.name)]</b>"
+
+/datum/error_viewer/error_source/show_to(user, datum/error_viewer/back_to, linear)
+	if (!istype(back_to))
+		back_to = error_cache
+
+	var/html = build_header(back_to)
+	for (var/datum/error_viewer/error_entry/error_entry in errors)
+		html += "[error_entry.make_link(null, src)]<br>"
+
+	browse_to(user, html)
+
+/datum/error_viewer/error_entry
+	var/datum/error_viewer/error_source/error_source
+	var/exception/exc
+	var/desc = ""
+	var/usr_ref
+	var/turf/usr_loc
+	var/is_skip_count
+
+/datum/error_viewer/error_entry/New(exception/e, list/desclines, skip_count)
+	if (!istype(e))
+		name = "<b>\[[time_stamp()]]</b> Uncaught exception: <b>[html_encode(e.name)]</b>"
+		return
+
+	if(skip_count)
+		name = "\[[time_stamp()]] Skipped [skip_count] runtimes in [e.file],[e.line]."
+		is_skip_count = TRUE
+		return
+
+	name = "<b>\[[time_stamp()]]</b> Runtime in <b>[e.file]</b>, line <b>[e.line]</b>: <b>[html_encode(e.name)]</b>"
+	exc = e
+	if (istype(desclines))
+		for (var/line in desclines)
+			// There's probably a better way to do this than non-breaking spaces...
+			desc += "<span class='runtime_line'>[html_encode(line)]</span><br>"
+
+	if (usr)
+		usr_ref = "\ref[usr]"
+		usr_loc = get_turf(usr)
+
+/datum/error_viewer/error_entry/show_to(user, datum/error_viewer/back_to, linear)
+	if (!istype(back_to))
+		back_to = error_source
+
+	var/html = build_header(back_to, linear)
+	html += "[name]<div class='runtime'>[desc]</div>"
+	if (usr_ref)
+		html += "<br><b>usr</b>: <a href='?_src_=vars;Vars=[usr_ref]'>VV</a>"
+		html += " <a href='?_src_=holder;adminplayeropts=[usr_ref]'>PP</a>"
+		html += " <a href='?_src_=holder;adminplayerobservefollow=[usr_ref]'>Follow</a>"
+		if (istype(usr_loc))
+			html += "<br><b>usr.loc</b>: <a href='?_src_=vars;Vars=\ref[usr_loc]'>VV</a>"
+			html += " <a href='?_src_=holder;adminplayerobservecoodjump=1;X=[usr_loc.x];Y=[usr_loc.y];Z=[usr_loc.z]'>JMP</a>"
+
+	browse_to(user, html)
+
+/datum/error_viewer/error_entry/make_link(linktext, datum/error_viewer/back_to, linear)
+	return is_skip_count ? name : ..()

code/modules/events/prison_break.dm

@@ -33,7 +33,7 @@
 	if(areasToOpen && areasToOpen.len > 0)
 		priority_announce("Gr3y.T1d3 virus detected in [station_name()] door subroutines. Severity level of [severity]. Recommend station AI involvement.", "Security Alert")
 	else
-		world.log << "ERROR: Could not initate grey-tide. No areas in the list!"
+		log_world("ERROR: Could not initate grey-tide. No areas in the list!")
 		kill()
 
 

code/modules/holodeck/computer.dm

@@ -54,9 +54,9 @@
 	// the following is necessary for power reasons
 	var/area/AS = get_area(src)
 	if(istype(AS,/area/holodeck))
-		world.log << "### MAPPING ERROR"
+		log_world("### MAPPING ERROR")
-		world.log << "Holodeck computer cannot be in a holodeck."
+		log_world("Holodeck computer cannot be in a holodeck.")
-		world.log << "This would cause circular power dependency."
+		log_world("This would cause circular power dependency.")
 		qdel(src)  // todo handle constructed computers
 		return	//l-lewd...
 	else

code/modules/shuttle/manipulator.dm

@@ -264,8 +264,7 @@
 				found++
 				if(found > 1)
 					qdel(P, force=TRUE)
-					world.log << "Map warning: Shuttle Template [S.mappath] \
+					log_world("Map warning: Shuttle Template [S.mappath] has multiple mobile docking ports.")
-						has multiple mobile docking ports."
 				else if(!M.timid)
 					// The shuttle template we loaded isn't "timid" which means
 					// it's already registered with the shuttles subsystem.
@@ -277,11 +276,9 @@
 				else
 					preview_shuttle = P
 			if(istype(P, /obj/docking_port/stationary))
-				world.log << "Map warning: Shuttle Template [S.mappath] has a \
+				log_world("Map warning: Shuttle Template [S.mappath] has a stationary docking port.")
-					stationary docking port."
 	if(!found)
-		var/msg = "load_template(): Shuttle Template [S.mappath] has no \
+		var/msg = "load_template(): Shuttle Template [S.mappath] has no	mobile docking port. Aborting import."
-			mobile docking port. Aborting import."
 		for(var/T in affected)
 			var/turf/T0 = T
 			T0.empty()

code/world.dm

@@ -16,7 +16,7 @@
 var/list/map_transition_config = MAP_TRANSITION_CONFIG
 
 /world/New()
-	world.log << "World loaded at [world.timeofday]"
+	log_world("World loaded at [world.timeofday]")
 	map_ready = 1
 
 #if (PRELOAD_RSC == 0)
@@ -51,9 +51,9 @@ var/list/map_transition_config = MAP_TRANSITION_CONFIG
 
 	if(config.sql_enabled)
 		if(!setup_database_connection())
-			world.log << "Your server failed to establish a connection with the database."
+			log_world("Your server failed to establish a connection with the database.")
 		else
-			world.log << "Database connection established."
+			log_world("Database connection established.")
 
 
 	data_core = new /datum/datacore()
@@ -184,7 +184,7 @@ var/last_irc_status = 0
 		else
 			return ircadminwho()
 
-#define WORLD_REBOOT(X) world.log << "World rebooted at [world.timeofday]"; ..(X)
+#define WORLD_REBOOT(X) log_world("World rebooted at [world.timeofday]"); ..(X)
 /world/Reboot(var/reason, var/feedback_c, var/feedback_r, var/time)
 	if (reason == 1) //special reboot, do none of the normal stuff
 		if (usr)
@@ -270,26 +270,6 @@ var/last_irc_status = 0
 		)
 	world << sound(round_end_sound)
 
-var/inerror = 0
-/world/Error(var/exception/e)
-	//runtime while processing runtimes
-	if (inerror)
-		inerror = 0
-		return ..(e)
-	inerror = 1
-	//newline at start is because of the "runtime error" byond prints that can't be timestamped.
-	e.name = "\n\[[time2text(world.timeofday,"hh:mm:ss")]\][e.name]"
-
-	//this is done this way rather then replace text to pave the way for processing the runtime reports more thoroughly
-	//	(and because runtimes end with a newline, and we don't want to basically print an empty time stamp)
-	var/list/split = splittext(e.desc, "\n")
-	for (var/i in 1 to split.len)
-		if (split[i] != "")
-			split[i] = "\[[time2text(world.timeofday,"hh:mm:ss")]\][split[i]]"
-	e.desc = jointext(split, "\n")
-	inerror = 0
-	return ..(e)
-
 /world/proc/load_mode()
 	var/list/Lines = file2list("data/mode.txt")
 	if(Lines.len)
@@ -397,7 +377,7 @@ var/failed_db_connections = 0
 	else
 		failed_db_connections++		//If it failed, increase the failed connections counter.
 		if(config.sql_enabled)
-			world.log << "SQL error: " + dbcon.ErrorMsg()
+			log_world("SQL error: " + dbcon.ErrorMsg())
 
 	return .
 

config/config.txt

@@ -310,3 +310,12 @@ SECOND_TOPIC_LIMIT 10
 
 MINUTE_TOPIC_LIMIT 100
 
+##Error handling related options
+## The "cooldown" time for each occurence of an unique error
+#ERROR_COOLDOWN 600
+## How many occurences before the next will silence them
+#ERROR_LIMIT 90
+## How long an unique error will be silenced for
+#ERROR_SILENCE_TIME 6000
+##How long to wait between messaging admins about occurences of an unique error
+#ERROR_MSG_DELAY 50

tgstation.dme

@@ -1161,6 +1161,8 @@
 #include "code\modules\detectivework\footprints_and_rag.dm"
 #include "code\modules\detectivework\scanner.dm"
 #include "code\modules\emoji\emoji_parse.dm"
+#include "code\modules\error_handler\error_handler.dm"
+#include "code\modules\error_handler\error_viewer.dm"
 #include "code\modules\events\_event.dm"
 #include "code\modules\events\abductor.dm"
 #include "code\modules\events\alien_infestation.dm"