| Class | Description | |
|---|---|---|
| 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. |