Error code
Oracle ORA-02291
ORACLEORA-02291
Database Error Code· An error code returned by a database server such as PostgreSQL or MySQL.
What it means
integrity constraint violated — parent key not found.
How to fix it
- Insert the parent row before inserting the child row.
- Verify the foreign key value is correct and the parent table contains the expected row.
- Wrap parent and child inserts in a transaction to ensure atomicity.
Not affiliated with Oracle. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More Oracle codes
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