Message Oracle ORA-38734 - Flashback log is inconsistent; belongs to another database.

ERRORFlashback log is inconsistent; belongs to another database.
CAUSEThe database ID in the flashback database log file did not match the database ID in the control file.
ACTIONIf you are doing a FLASHBACK DATABASE, then the flashback cannot be performed because of the corrupted log. A restore and an incomplete recovery must be performed instead.