Compare reports that table are in sync, but they are not. It is obvious that the recourd count is not true.
Compare Results:
* 126804 source and 126809 target rows compared successfully (L327).
* No out-of-sync rows were found in this table.
*
* Inserts : 0
* Updates : 0
* Deletes : 0
Oracle upgrade may have corrupted the index table.
To fix the row mismatch:
Drop and rebuild the indexes and all other constraints. This will force a full check of the rows and will determine if any rows are redundant.