What is 00000091J error in db2 update sql?

The DB2 SQL error code 00000091J typically indicates a problem related to SQL statement syntax or execution, often involving a violation of constraints or issues with data types. This error might occur during an update operation when the provided values do not conform to the defined schema or constraints of the database. To resolve it, you should review the SQL statement for correctness, ensure that data types match, and check if any constraints (like primary keys or foreign keys) are being violated.