ZAS debug_verb runtime prevention.

code/modules/admin/verbs/mapping.dm

@@ -213,6 +213,10 @@ var/list/debug_verbs = list (
 	testZAScolors_remove()
 
 	var/turf/location = get_turf(usr)
+
+	if(!istype(location, /turf/simulated)) // We're in space, let's not cause runtimes.
+		usr << "\red this debug tool cannot be used from space"
+		return
 
 	var/icon/red = new('icons/misc/debug_group.dmi', "red")		//created here so we don't have to make thousands of these.
 	var/icon/green = new('icons/misc/debug_group.dmi', "green")