Oracle® Database 11g / 12c / 18c error codes ORA-40226: model upgrade/downgrade must be performed by SYS

ORA-40226: model upgrade/downgrade must be performed by SYS

Oracle Error Code: ORA-40226

Cause: Upgrade/Downgrade routines are being invoked by a user with insufficient privilieges.

Action: Run the routines as SYS during migration.