// Old version compatibility
 @Mod.EventHandler
 public void onMissingMapping(FMLMissingMappingsEvent event) {
   for (FMLMissingMappingsEvent.MissingMapping mapping : event.get()) {
     // old universal bucket, got moved into Forge
     if (mapping.type == GameRegistry.Type.ITEM && mapping.name.equals(Util.resource("bucket"))) {
       mapping.ignore();
     }
   }
 }