| ERROR | log_archive_format must contain %s, %t and %r |
| CAUSE | log_archive_format is missing a mandatory format element. Starting with Oracle 10i, archived log file names must contain each of the elements %s(sequence), %t(thread), and %r(RESETLOGS ID) to ensure that all archived log file names are unique. |
| ACTION | Add the missing format elements to log_archive_format. |