| ERROR | unable to lock file - already in use |
| CAUSE | the file is locked by another process, indicating that it is currently in use by a database instance. |
| ACTION | determine which database instance legitimately owns this file. |
| ERROR | unable to lock file - already in use |
| CAUSE | the file is locked by another process, indicating that it is currently in use by a database instance. |
| ACTION | determine which database instance legitimately owns this file. |