ORA-28148
The specified attribute association ("namespace", "attribute") is not attached to policy "policy_name".
- namespace: The name of the namespace.
- attribute: The name of the attribute.
- policy_name: The name of the policy.
Cause
An attempt was made to drop the attribute association that was not attached to the policy.
Action
Review the existing set of namespace and attribute associations for the Virtual Private Database (VPD) policy in the DBA_POLICY_CONTEXTS view, and retry the operation with valid namespace and attribute values.