| ERROR | cannot change a type to FINAL if it has subtypes |
| CAUSE | An attempt was made to change a type with subtypes to FINAL. |
| ACTION | Drop all subtypes of the target type before changing it to FINAL. |
| ERROR | cannot change a type to FINAL if it has subtypes |
| CAUSE | An attempt was made to change a type with subtypes to FINAL. |
| ACTION | Drop all subtypes of the target type before changing it to FINAL. |