The following is the ORA-00260 error message, you can learn the cause and solution of the Oralce error.

ORA-00260 cannot find online log sequence string for thread string

Cause: The log sequence number supplied in the ARCHIVE statement does not match any of the online logs for the thread. This can result from any of the following situations:

  • The log might have been reused for another sequence number.
  • The log might have been dropped.
  • The sequence number might be greater than the current log sequence number.
  • The thread might not have any logs.

Solution: Check the ARCHIVE statement, then specify a valid log sequence number. Specify a valid log sequence number.


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