Classes
 ClassDescription
 AbstractClassError An AbstractClassError is thrown when you attempt to create an instance of an abstract class.
 AbstractMethodError An AbstractMethodError is thrown when you attempt to call an abstract method.
 MissingContextError A MissingContextError is thrown when a Context3D object is required but not (yet) available.
 NotSupportedError A NotSupportedError is thrown when you attempt to use a feature that is not supported on the current platform.