diff --git a/code/game/area/areas.dm b/code/game/area/areas.dm
index c3f52d7131f..f191b9eed06 100644
--- a/code/game/area/areas.dm
+++ b/code/game/area/areas.dm
@@ -301,7 +301,8 @@ var/list/mob/living/forced_ambiance_list = new
 	// Otherwise, stop playing the ambient hum.
 	else
 		L << sound(null, channel = 3)
-		L.client.ambient_hum_playing = FALSE
+		if(L.client)
+			L.client.ambient_hum_playing = FALSE
 
 	// Start playing music, if it exists.
 	if(src.music.len && L && L.client && (L.client.prefs.sfx_toggles & ASFX_MUSIC))
diff --git a/code/game/atoms_movable.dm b/code/game/atoms_movable.dm
index 28f6ecf60c9..7c8870c32db 100644
--- a/code/game/atoms_movable.dm
+++ b/code/game/atoms_movable.dm
@@ -364,7 +364,7 @@
 	update_grid_location(old_loc, src)
 
 /atom/movable/proc/update_grid_location(atom/old_loc)
-	if(!HAS_SPATIAL_GRID_CONTENTS(src))
+	if(!HAS_SPATIAL_GRID_CONTENTS(src) || SSspatial_grid.init_state < SS_INITSTATE_DONE)
 		return
 
 	var/turf/old_turf = get_turf(old_loc)
diff --git a/code/game/machinery/atmoalter/portable_atmospherics.dm b/code/game/machinery/atmoalter/portable_atmospherics.dm
index 5d3dfeb9236..94ce4694c5b 100644
--- a/code/game/machinery/atmoalter/portable_atmospherics.dm
+++ b/code/game/machinery/atmoalter/portable_atmospherics.dm
@@ -92,10 +92,11 @@
 		network.gases -= air_contents
 
 	anchored = 0
+	if(connected_port)
+		connected_port.toggle_process()
+		connected_port.connected_device = null
 
-	connected_port.connected_device = null
 	connected_port = null
-	connected_port.toggle_process()
 
 	return 1
 
diff --git a/code/game/machinery/newscaster.dm b/code/game/machinery/newscaster.dm
index a9c2d25f934..23ed9f42fcd 100644
--- a/code/game/machinery/newscaster.dm
+++ b/code/game/machinery/newscaster.dm
@@ -520,6 +520,7 @@ var/list/obj/machinery/newscaster/allCasters = list() //Global list that will co
 			comment.posted = "[worldtime2text()]"
 			viewing_story.comments += comment
 			to_chat(usr, "Comment successfully added!")
+			src.viewing_message = viewing_story
 			src.screen = 22
 			src.updateUsrDialog()
 
diff --git a/code/modules/cooking/machinery/cooking_machines/grill.dm b/code/modules/cooking/machinery/cooking_machines/grill.dm
index 54c08b2fa4c..39e5a1d1941 100644
--- a/code/modules/cooking/machinery/cooking_machines/grill.dm
+++ b/code/modules/cooking/machinery/cooking_machines/grill.dm
@@ -71,7 +71,7 @@
 		icon_state = on_icon
 	else
 		icon_state = off_icon
-		grill_loop.stop()
+		grill_loop?.stop()
 	if(length(cooking_objs))
 		grill_loop.start()
 		var/datum/cooking_item/CI = cooking_objs[1]
diff --git a/code/modules/mob/living/carbon/slime/slime_extractor.dm b/code/modules/mob/living/carbon/slime/slime_extractor.dm
index b77a4ba6be0..38116f6f783 100644
--- a/code/modules/mob/living/carbon/slime/slime_extractor.dm
+++ b/code/modules/mob/living/carbon/slime/slime_extractor.dm
@@ -81,6 +81,10 @@
 
 /obj/machinery/slime_extractor/proc/extraction_process(var/slime)
 	var/mob/living/carbon/slime/extracted_slime = extract_slimes[slime]
+	if(!extracted_slime)
+		extract_slimes -= slime
+		update_icon()
+		return
 	for(var/i = 1 to extracted_slime.cores + 1)
 		var/obj/extract = new extracted_slime.coretype(get_turf(src))
 		var/obj/item/storage/slimes/slime_bag = locate() in range(1, get_turf(src))
diff --git a/code/modules/overmap/ship_weaponry/_ship_ammo_loader.dm b/code/modules/overmap/ship_weaponry/_ship_ammo_loader.dm
index 0cddc02aca5..09346d845f4 100644
--- a/code/modules/overmap/ship_weaponry/_ship_ammo_loader.dm
+++ b/code/modules/overmap/ship_weaponry/_ship_ammo_loader.dm
@@ -51,6 +51,9 @@
 		var/mob/living/heavy_vehicle/HV = user
 		if(istype(W, /obj/item/mecha_equipment/clamp))
 			var/obj/item/mecha_equipment/clamp/CL = W
+			if(!length(CL.carrying))
+				to_chat(user, SPAN_WARNING("\The [CL] is empty."))
+				return TRUE
 			if(istype(CL.carrying[1], /obj/item/ship_ammunition))
 				var/obj/item/ship_ammunition/SA = CL.carrying[1]
 				return load_ammo(SA, HV)
@@ -100,4 +103,4 @@
 	icon_state = "viewport_zavod"
 
 /obj/structure/viewport/unathi
-	icon_state = "viewport_unathi"
\ No newline at end of file
+	icon_state = "viewport_unathi"
diff --git a/code/modules/paperwork/papershredder.dm b/code/modules/paperwork/papershredder.dm
index 7e99d6087e1..886bf5bf303 100644
--- a/code/modules/paperwork/papershredder.dm
+++ b/code/modules/paperwork/papershredder.dm
@@ -25,8 +25,8 @@
 		playsound(loc, W.usesound, 50, 1)
 		anchored = !anchored
 		user.visible_message(
-			SPAN_NOTICE(anchored ? "\The [user] fastens \the [src] to \the [loc]." : "\The unfastens \the [src] from \the [loc]."),
-			SPAN_NOTICE(anchored ? "You fasten \the [src] to \the [loc]." : "You unfasten \the [src] from \the [loc]."),
+			SPAN_NOTICE("[anchored ? "\The [user] fastens \the [src] to \the [loc]." : "\The unfastens \the [src] from \the [loc]."]"),
+			SPAN_NOTICE("[anchored ? "You fasten \the [src] to \the [loc]." : "You unfasten \the [src] from \the [loc]."]"),
 			"You hear a ratchet."
 		)
 		return