| ERROR | cannot alter a type that is not valid |
| CAUSE | An attempt was made to perform ALTER TYPE on an invalid type. |
| ACTION | Use the CREATE OR REPLACE TYPE command to modify the type. |
| ERROR | cannot alter a type that is not valid |
| CAUSE | An attempt was made to perform ALTER TYPE on an invalid type. |
| ACTION | Use the CREATE OR REPLACE TYPE command to modify the type. |