| ERROR | log string needed for crash recovery of instance string (thread string) |
| CAUSE | A log cannot be dropped or cleared until the threads checkpoint has advanced out of the log. |
| ACTION | If the database is not open, then open it. Crash recovery will advance the checkpoint. If the database is open force a global checkpoint. If the log is corrupted so that the database cannot be opened, it may be necessary to do incomplete recovery until cancel at this log. |
| 79341 | Checkpoint not complete |