Oracle Message ORA-01149 - cannot shutdown - file string has online backup set

ERRORcannot shutdown - file string has online backup set
CAUSEAn attempt to shutdown normally found that an online backup is still in progress.
ACTIONEnd the backup of the offending tablespace and retry this command.

4162Missing "end backup"
483856Description of the alerts for Oracle database monitoring
435290Description of BRCONNECT 6.10 DB check conditions