| ERROR | handle string is not a valid descriptor |
| CAUSE | The file handle was not valid in this session. |
| ACTION | Submit a handle obtained from a successful call to DBMS_DISKGROUP.OPEN(). |
| ERROR | handle string is not a valid descriptor |
| CAUSE | The file handle was not valid in this session. |
| ACTION | Submit a handle obtained from a successful call to DBMS_DISKGROUP.OPEN(). |