This kind of error happens when you use a static initializer, e.g. you instantiate a Sprite in a static variable, or if you do not call super() early enough in the constructor to an extended DisplayObjectContainer.
This kind of error happens when you use a static initializer, e.g. you instantiate a Sprite in a static variable, or if you do not call super() early enough in the constructor to an extended DisplayObjectCo ntainer.