ORA-02439: Unique index on a deferrable constraint is not allowed
Cause: attempted to enable a deferrable primary key or unique constraint that has an existing unique index on the constraint columns.
Action: Drop the index on the constraint columns or make the constraint not deferrable.
Cause: attempted to enable a deferrable primary key or unique constraint that has an existing unique index on the constraint columns.
Action: Drop the index on the constraint columns or make the constraint not deferrable.
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