ORA Error Codes

Database open triggers and server error triggers cannot have BEFORE type

Instance shutdown triggers cannot have AFTER type

System triggers cannot have INSERT- UPDATE- or DELETE as triggering events

System triggers cannot have a REFERENCING clause

System triggers cannot have a FOR EACH ROW clause

System triggers should not reference a column in a WHEN clause

System triggers cannot be based on tables or views

Cannot find the specified workload string

Feature not enabled: string

PLAN_TABLE does not exist in the user’s schema