Oracle Error Message
ORA-55569: The UNDO_RETENTION parameter value should be atmost string, the _highthreshold_undoretention setting.
Reason for the Error
The UNDO_RETENTION parameter value was not less than or equal to the _highthreshold_undoretention parameter setting.
Solution
Reissue the SQL statement with a lower value for UNDO_RETENTION parameter or increase the value of _highthreshold_undoretention parameter.