Database Error Messages

ORA-55510

Mining could not start

Cause

Mining could not start for the following reasons.

  1. A logminer session was processing
  2. The database was not mounted or not opened for read and write
  3. Minimum supplemental logging was not enabled
  4. Archiving was not enabled

Action

Fix the mentioned problems and try again. Note that if you enable supplemental logging now, you will not be able to remove a transaction that has committed without supplemental logging.