      */
     override public function removeChildAt(index:int):DisplayObject
     {
-        throw(new Error("removeChildAt is not available in FxComponent. " + 
-                "Instead, modify the skin directly or use removeItemAt."));
+        throw(new Error(resourceManager.getString("components", "removeChildAtError")));
     }
     
     /**

        }
        else
        {
            throw(new Error("Skin for " + this + " cannot be found."));
        }
        
        findSkinParts();

     */
    override public function swapChildren(child1:DisplayObject, child2:DisplayObject):void
    {
        throw(new Error(resourceManager.getString("components", "swapChildrenError")));
    }
    
    /**
