How To Fix DB6647 - User-defined functions installed on the database

SAP Error Message - Details

• Message type: E = Error

• Message class: DB6 - DB6: Alert Monitoring and Alert Configuration

• Message number: 647

• Message text: User-defined functions installed on the database

System Response

Without these programs, several DB2 monitor functions will not work.

How to fix this error?

Start transaction DB6COCKPIT, which automatically catalogs the
user-defined functions. Then check whether the DB6PMUDF library is in
the EXE directory of the SAP system. If not, copy the file to the
directory.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB6647 - User-defined functions installed on the database ?

  The SAP error message DB6647 indicates that user-defined functions (UDFs) are installed on the database, which can lead to issues when performing certain operations, such as database upgrades or migrations. This error typically arises in environments where the database is expected to be in a clean state, free from custom modifications that could interfere with standard operations.
  Cause:
  The primary cause of the DB6647 error is the presence of user-defined functions in the database. These functions are custom SQL functions created by users or developers to extend the database's functionality. When SAP performs certain operations, it may require a database state that does not include these custom functions, leading to the error.
  Solution:
  To resolve the DB6647 error, you can take the following steps:
  
  
  Identify User-Defined Functions: 
  
  Use SQL queries to list all user-defined functions in your database. The specific query will depend on the database system you are using (e.g., HANA, Oracle, SQL Server).
  
  
  
  Evaluate the Functions: 
  
  Determine if the user-defined functions are necessary for your application. If they are not critical, you may consider dropping them.
  
  
  
  Backup: 
  
  Before making any changes, ensure you have a complete backup of your database. This will allow you to restore it if needed.
  
  
  
  Drop or Disable Functions: 
  
  If the functions are not needed, you can drop them using the appropriate SQL command. If you might need them later, consider disabling them instead of dropping.
  
  
  
  Test the Changes: 
  
  After removing or disabling the functions, test your SAP application to ensure that everything is functioning correctly without the UDFs.
  
  
  
  Proceed with Operations: 
  
  Once the user-defined functions are removed or disabled, you should be able to proceed with the database operation that was previously blocked by the DB6647 error.
  
  
  
  Related Information:
  
  Documentation: Refer to the SAP documentation for your specific database version and the SAP application you are using for detailed instructions on handling user-defined functions.
  Database-Specific Guidelines: Each database system (e.g., SAP HANA, Oracle, SQL Server) has its own methods for managing user-defined functions. Consult the relevant database documentation for specific commands and best practices.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may provide additional guidance or updates related to the DB6647 error.
  
  By following these steps, you should be able to resolve the DB6647 error and continue with your database operations.