| ERROR | skipping backup piece handle string; already exists |
| CAUSE | A BACKUP command does not need to backup control file AUTOBACKUP pieces, because they already exists. |
| ACTION | This is an informational message, no action is required. |
| ERROR | skipping backup piece handle string; already exists |
| CAUSE | A BACKUP command does not need to backup control file AUTOBACKUP pieces, because they already exists. |
| ACTION | This is an informational message, no action is required. |