Phased entities size interaction (#7366)

code/modules/vore/resizing/resize_vr.dm

@@ -251,6 +251,8 @@
 				var/datum/sprite_accessory/tail/taur/tail = H.tail_style
 				src_message = tail.msg_prey_stepunder
 				tmob_message = tail.msg_owner_stepunder
+			if(tmob.is_incorporeal())	// CHOMPEdit - Can't run between what's not there
+				return TRUE
 
 		if(src_message)
 			to_chat(src, "<span class='filter_notice'>[STEP_TEXT_OWNER(src_message)]</span>")