Fixes runtimes from moving SSD/AFK people out of machines

code/game/dna/dna_modifier.dm

@@ -282,6 +282,9 @@
 	occupant = null
 	icon_state = "scanner_open"
 
+/obj/machinery/dna_scannernew/force_eject_occupant()
+	go_out(null, TRUE)
+
 /obj/machinery/dna_scannernew/ex_act(severity)
 	if(occupant)
 		occupant.ex_act(severity)

code/game/machinery/Sleeper.dm

@@ -411,6 +411,9 @@
 	for(var/atom/movable/A in contents - component_parts - list(beaker))
 		A.forceMove(loc)
 
+/obj/machinery/sleeper/force_eject_occupant()
+	go_out()
+
 /obj/machinery/sleeper/proc/inject_chemical(mob/living/user as mob, chemical, amount)
 	if(!(chemical in possible_chems))
 		to_chat(user, "<span class='notice'>The sleeper does not offer that chemical!</span>")

code/game/machinery/cryo.dm

@@ -443,6 +443,9 @@
 	for(var/atom/movable/A in contents - component_parts - list(beaker))
 		A.forceMove(get_step(loc, SOUTH))
 
+/obj/machinery/atmospherics/unary/cryo_cell/force_eject_occupant()
+	go_out()
+
 /// Called when either the occupant is dead and the AUTO_EJECT_DEAD flag is present, OR the occupant is alive, has no external damage, and the AUTO_EJECT_HEALTHY flag is present.
 /obj/machinery/atmospherics/unary/cryo_cell/proc/auto_eject(eject_flag)
 	on = FALSE

code/game/machinery/cryopod.dm

@@ -768,9 +768,16 @@
 
 	return ..()
 
+
 /proc/cryo_ssd(var/mob/living/carbon/person_to_cryo)
 	if(istype(person_to_cryo.loc, /obj/machinery/cryopod))
 		return 0
+	if(istype(person_to_cryo.loc, /obj/mecha))
+		var/obj/mecha/E = person_to_cryo.loc
+		E.go_out()
+	if(istype(person_to_cryo.loc, /obj/machinery))
+		var/obj/machinery/E = person_to_cryo.loc
+		E.force_eject_occupant()
 	var/list/free_cryopods = list()
 	for(var/obj/machinery/cryopod/P in GLOB.machines)
 		if(!P.occupant && istype(get_area(P), /area/crew_quarters/sleep))

code/game/machinery/machinery.dm

@@ -597,3 +597,8 @@ Class Procs:
 	. = . % 9
 	AM.pixel_x = -8 + ((.%3)*8)
 	AM.pixel_y = -8 + (round( . / 3)*8)
+
+/obj/machinery/proc/force_eject_occupant()
+	// For each subtype of /machinery, this proc handles safely removing occupants from the machine if they must be cryoed due to being SSD/AFK.
+	// In the event that the machinery doesn't have an overriden version of this proc to do it, log a runtime so one can be added.
+	log_runtime(EXCEPTION("Proc force_eject_occupant() is not overriden on a machine containing a mob."), src)

code/game/machinery/suit_storage_unit.dm

@@ -740,10 +740,11 @@
 	if(!occupant)
 		return
 
-	if(user != occupant)
-		to_chat(occupant, "<span class='warning'>The machine kicks you out!</span>")
-	if(user.loc != loc)
-		to_chat(occupant, "<span class='warning'>You leave the not-so-cozy confines of the SSU.</span>")
+	if(user)
+		if(user != occupant)
+			to_chat(occupant, "<span class='warning'>The machine kicks you out!</span>")
+		if(user.loc != loc)
+			to_chat(occupant, "<span class='warning'>You leave the not-so-cozy confines of the SSU.</span>")
 	occupant.forceMove(loc)
 	occupant = null
 	if(!state_open)
@@ -751,6 +752,8 @@
 	update_icon()
 	return
 
+/obj/machinery/suit_storage_unit/force_eject_occupant()
+	eject_occupant()
 
 /obj/machinery/suit_storage_unit/verb/get_out()
 	set name = "Eject Suit Storage Unit"