ORA-19694: some changed blocks were not

admin

ORA-19694: somechanged blocks were not found in the change tracking file
14-20 OracleDatabase Error Messages
Cause: Abackup or copy found that some changed blocks had not been recorded
in the change tracking file. The details of which files and blocks are affectedwill be
in an Oracle trace file.
Action: Thisindicates that there is a problem with the change tracking feature.
Disable change tracking and re-start the backup.