ORA-55505: DDL done on an interesting object after mining start SCN
Cause: The Flashback Transaction Backout process encountered an interesting object which had its last DDL operation done on it after the mining start time. An interesting object is one that has been modified by either the specified transactions or any of their dependents.
Action: Specify transactions that have committed after the last DDL done on all the objects they touched.
Error Type: ORA