| ERROR | class defined in EXTERNAL NAME clause is used in another subtype |
| CAUSE | The supertype has an existing type that has the same value for the EXTERNAL NAME. |
| ACTION | Make sure the EXTERNAL NAME clause is unique among subtypes. |
| ERROR | class defined in EXTERNAL NAME clause is used in another subtype |
| CAUSE | The supertype has an existing type that has the same value for the EXTERNAL NAME. |
| ACTION | Make sure the EXTERNAL NAME clause is unique among subtypes. |