IPC will no longer take damage from walking in glass. Not sure why this was happening beforehand.

code/game/objects/items/stacks/sheets/glass.dm

@@ -285,11 +285,14 @@
 		playsound(src.loc, 'sound/effects/glass_step.ogg', 50, 1)
 		if(ishuman(M))
 			var/mob/living/carbon/human/H = M
+
+			if(H.flags & IS_SYNTHETIC)
+				return
+
 			if( !H.shoes && ( !H.wear_suit || !(H.wear_suit.body_parts_covered & FEET) ) )
 				var/datum/organ/external/affecting = H.get_organ(pick("l_foot", "r_foot"))
 				if(affecting.status & ORGAN_ROBOT)
 					return
-
 				H.Weaken(3)
 				if(affecting.take_damage(5, 0))
 					H.UpdateDamageIcon()