Oracle Solution for Error ora-38797

ORA-38797: Full database recovery required after a database has been flashed back

What triggered the Error:

An attempt was made to recover some datafiles or tablespaces of a database after the database had been flashed back. In order to recover control file and all datafiles correctly, full database recovery is required after a database has been flashed back.

What should we do to fix it:

Recover the whole database instead.