ORA-30505: system triggers should not reference a column in a WHEN clause
Cause: An attempt was made to use a WHEN clause to reference a column with a system trigger, but this type of trigger is not supported because a system trigger does not have a base table.
Action: Change the WHEN clause to an appropriate clause.
Cause: An attempt was made to use a WHEN clause to reference a column with a system trigger, but this type of trigger is not supported because a system trigger does not have a base table.
Action: Change the WHEN clause to an appropriate clause.
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