Oracle Error Message
ORA-55505: DDL done on an interesting object after mining start SCN
Reason for the Error
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.
Solution
Specify transactions that have committed after the last DDL done on all the objects they touched.