ORA-00252: log string of thread string is empty, cannot archive

admin

ORA-00252: log string  of thread  string  is empty, cannot archive
Cause:  A log must be used for redo generation before it can be archived. The
specified redo log was not been used since it was introduced to the database.
However it is possible that instance death during a log switch left the log empty.
Action:   Empty logs do not need to be archived. Do not attempt to archive the redo
log file.