The following is the ORA-22972 error message, you can learn the cause and solution of the Oracle database error.


ORA-22972 NULL value not allowed in PRIMARY KEY-based object identifier

Cause: A value constituting the PRIMARY KEY-based object identifier is NULL.

Solution: Ensure the expressions in MAKE_REF system function or attributes in the WITH OBJECT OID clause of an object view do not evaluate to NULL.

Case:

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