ORA-14657: cannot cascade row migration to

admin

ORA-14657: cannotcascade row migration to reference-partitioned child table
Cause: Update of a parent key may require migration of rowsin
reference-partitioned child tables, however this is not supported because the
parent key was not suitably indexed.
Action: Replacethe existing index on the parent key with a unique index that
does not contain any columns in addition to the parent key.