Another Stupid Runtime (#22680)

Why is this stupid var set as a machinery when it can be literally any
/obj/? I hate this stupid runtime error.

code/modules/mob/mob.dm

@@ -54,7 +54,7 @@
 
 	QDEL_NULL(ability_master)
 	QDEL_NULL(zone_sel)
-	if (length(machine?.climbers))
+	if (istype(machine, /obj/structure) && length(machine.climbers))
 		machine.climbers -= src
 	machine = null
 

html/changelogs/hellfirejag-another-human-harddel.yml

@@ -0,0 +1,4 @@
+author: Hellfirejag
+delete-after: True
+changes:
+  - bugfix: "Fixed yet another runtime error with humans that triggers hard deletes."