Oracle® Database 11g / 12c / 18c error codes ORA-12454: label [string] does not exist for policy [string]

ORA-12454: label [string] does not exist for policy [string]

Oracle Error Code: ORA-12454

Cause: The label tag or value you entered did not identify a label for the policy.

Action: Enter a label value or tag that is in use by the policy.