| ERROR | Attribute/method string can occur only once in an ALTER TYPE statement |
| CAUSE | User attempted more than one of ADD, DROP or MODIFY on an attribute in single ALTER TYPE statement. User attempted more than one of ADD or DROP on a method in single ALTER TYPE statement. |
| ACTION | Do only one ADD, DROP or MODIFY for an attribute in single ALTER TYPE statement. Do only one ADD or DROP for a method in single ALTER TYPE statement. |