Oracle Solution for Error ora-19651

ORA-19651: cannot apply offline-range record to datafile string: SCN mismatch

What triggered the Error:

PLYOFFLINERANGE cannot apply an offline-range record to a target datafile unless the datafile's checkpoint SCN exactly matches the offline-clean SCN in the specified offline-range record.

What should we do to fix it:

ecify an offline-range record whose offline-clean SCN matches the target datafile's checkpoint.