Fixes a few runtimes

code/modules/assembly/timer.dm

@@ -43,7 +43,8 @@
 	timer_end()
 		if((!secured)||(cooldown > 0))	return 0
 		pulse(0)
-		loc.visible_message("\icon[src] *beep* *beep*", "*beep* *beep*")
+		if(loc)
+			loc.visible_message("\icon[src] *beep* *beep*", "*beep* *beep*")
 		cooldown = 2
 		spawn(10)
 			process_cooldown()

code/modules/mob/living/silicon/pai/death.dm

@@ -1,12 +1,13 @@
-/mob/living/silicon/pai/death(gibbed)
+/mob/living/silicon/pai/death(gibbed, cleanWipe)
 	if(stat == DEAD)
 		return
 
-	force_fold_out()
+	if(!cleanWipe)
+		force_fold_out()
 
 	var/turf/T = get_turf_or_move(loc)
 	for (var/mob/M in viewers(T))
-		M.show_message("\red [src] emits a dull beep before it loses power and collapses.", 3, "\red You hear a dull beep followed by the sound of glass crunching.", 2)
+		M.show_message("<span class=warning>[src] emits a dull beep before it loses power and collapses.</span>", 3, "<span class=warning>You hear a dull beep followed by the sound of glass crunching.</span>", 2)
 	name = "pAI debris"
 	desc = "The unfortunate remains of some poor personal AI device."
 	icon_state = "[chassis]_dead"
@@ -24,5 +25,5 @@
 	if(mind)	qdel(mind)
 	living_mob_list -= src
 	ghostize()
-	if(icon_state != "[chassis]_dead")
+	if(icon_state != "[chassis]_dead" || cleanWipe)
 		qdel(src)

code/modules/mob/living/simple_animal/hostile/bees.dm

@@ -140,13 +140,15 @@
 
 /mob/living/simple_animal/hostile/poison/bees/worker/Destroy()
 	if(beehome)
-		beehome.bees.Remove(src)
+		if(beehome.bees)
+			beehome.bees.Remove(src)
 		beehome = null
 	..()
 
 /mob/living/simple_animal/hostile/poison/bees/worker/death(gibbed)
 	if(beehome)
-		beehome.bees.Remove(src)
+		if(beehome.bees)
+			beehome.bees.Remove(src)
 		beehome = null
 	..()
 

code/modules/mob/say.dm

@@ -40,7 +40,7 @@
 		usr.emote(message)
 
 /mob/proc/say_dead(var/message)
-	if(!src.client.holder)
+	if(!(client && client.holder))
 		if(!config.dsay_allowed)
 			to_chat(src, "<span class='danger'>Deadchat is globally muted.</span>")
 			return

code/modules/surgery/organs_internal.dm

@@ -31,7 +31,7 @@
 			return 0
 		if(target.get_species() == "Machine")//i know organ robot might be enough but i am not taking chances...
 			return 0
-		if(!affected.encased)//no bone, problem.
+		if(affected && !affected.encased) //no bone, problem.
 			return 0
 		return 1
 
@@ -43,9 +43,9 @@
 		if(affected && (affected.status & ORGAN_ROBOT))
 			return 0//no operating on robotic limbs in an organic surgery
 
-		if(!affected.encased)//no bones no problem.
-			return 1
-		return 0
+		if(affected && affected.encased) //no bones no problem.
+			return 0
+		return 1
 
 /datum/surgery/organ_manipulation/alien/can_start(mob/user, mob/living/carbon/target)
 	if(istype(target,/mob/living/carbon/alien/humanoid))