How To Fix DDUT079 - Function & is not registered, no action possible

SAP Error Message - Details

• Message type: E = Error

• Message class: DDUT - DD: Messages for Delivery Actions and Upgrade

• Message number: 079

• Message text: Function & is not registered, no action possible

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DDUT079 - Function & is not registered, no action possible ?

  The SAP error message DDUT079 indicates that a specific function (denoted by &) is not registered in the system, which means that the system cannot execute the requested action. This error typically arises in the context of function modules, methods, or other callable routines that are expected to be available in the SAP environment.
  Causes:
  
  Missing Function Module: The function module or method you are trying to call does not exist in the system.
  Transport Issues: The function module may not have been transported correctly from the development environment to the production environment.
  Authorization Issues: The user may not have the necessary authorizations to access the function.
  Incorrect Configuration: The function may not be properly configured or registered in the system.
  System Upgrade: If the system has been recently upgraded, some functions may not have been migrated correctly.
  
  Solutions:
  
  
  Check Function Module Existence:
  
  Use transaction code SE37 (Function Builder) to check if the function module exists in the system.
  If it does not exist, you may need to create it or transport it from another system.
  
  
  
  Transport Request:
  
  If the function module is missing, check if it was included in a transport request and ensure that the transport has been successfully imported into the target system.
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to execute the function. You can check this using transaction SU53 after the error occurs.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can set breakpoints in the code to see where the error is triggered and gather more context.
  
  
  
  Check Configuration:
  
  Ensure that any related configuration settings are correctly set up. This may involve checking customizing settings in transaction SPRO.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific function to see if there are any known issues or additional steps required for registration.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot resolve it, consider reaching out to SAP support for assistance, especially if it is related to a standard SAP function.
  
  
  
  Related Information:
  
  Transaction Codes: SE37 (Function Builder), SE80 (Object Navigator), SU53 (Authorization Check), SPRO (Customizing).
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  System Logs: Check system logs (transaction SM21) for any related error messages that might provide more context.
  
  By following these steps, you should be able to identify the cause of the DDUT079 error and implement a solution.