Trying to fix the examine bug..

code/modules/asset_cache/asset_list.dm

@@ -136,8 +136,8 @@ GLOBAL_LIST_EMPTY(asset_datums)
 	var/size_id = "[I.Width()]x[I.Height()]"
 	var/size = sizes[size_id]
 
-	//if (sprites[sprite_name])
-		//CRASH("duplicate sprite \"[sprite_name]\" in sheet [name] ([type])")    TODO FIGURE OUT WHERE THE FUCK ARE THE DUPLICATES.
+	if (sprites[sprite_name])
+		CRASH("duplicate sprite \"[sprite_name]\" in sheet [name] ([type])")
 
 	if (size)
 		var/position = size[SPRSZ_COUNT]++