Oracle® Database 11g / 12c / 18c error codes ORA-12488: maximum label does not dominate minimum label

ORA-12488: maximum label does not dominate minimum label

Oracle Error Code: ORA-12488

Cause: You attempted to enter a value for a clearance label that did not preserve the dominance relationship between the minimum and maximum labels.

Action: Enter label values that preserves the dominance relationship between the minimum and maximum.