ORA-00392: log string of thread string is being cleared - operation not allowed

ORA-00392: log string of thread string is being cleared - operation not allowed

Cause: An operation encountered this online log in the middle of being cleared.  The command that
began the clearing may have terminated without completing  the clearing.

Action: If the clear command is still executing then wait for its completion. If it  terminated then reissue the clear command, or drop the log.