Oracle® Database 11g / 12c / 18c error codes ORA-12476: least upper bound resulted in an invalid OS label

ORA-12476: least upper bound resulted in an invalid OS label

Oracle Error Code: ORA-12476

Cause: You tried to do an operation that generated a least upper bound (LUB) label which is not a valid label on your operating system.

Action: Consult your OS label management documentation for information on invalid label generation.