How To Fix MN079 - *** FUNCTION GROUP WN03 ***

SAP Error Message - Details

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 079

• Message text: *** FUNCTION GROUP WN03 ***

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN079 - *** FUNCTION GROUP WN03 *** ?

  The SAP error message MN079, which is associated with the function group WN03, typically indicates an issue related to the processing of a specific transaction or function within the SAP system. This error can arise due to various reasons, including configuration issues, missing data, or problems with the function module itself.
  Cause:
  
  Configuration Issues: The error may occur if there are incorrect settings in the configuration of the relevant module (e.g., Materials Management, Inventory Management).
  Missing Data: Required data for the transaction may be missing or incomplete, leading to the error.
  Authorization Issues: The user may not have the necessary authorizations to execute the function or transaction.
  Function Module Errors: There could be a problem with the specific function module within the function group WN03, such as coding errors or issues with the logic.
  System Bugs: Occasionally, bugs in the SAP system or specific patches may lead to unexpected errors.
  
  Solution:
  
  Check Configuration: Review the configuration settings related to the transaction or function that triggered the error. Ensure that all necessary parameters are correctly set.
  Data Validation: Verify that all required data is present and correctly entered. This includes checking master data, transaction data, and any related documents.
  Authorization Check: Ensure that the user executing the transaction has the necessary authorizations. You may need to consult with your SAP security team.
  Debugging: If you have access to the ABAP development environment, you can debug the function module to identify the exact point of failure. This may require the assistance of a developer.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  Consult Documentation: Review the documentation for the specific transaction or function to ensure that you are following the correct procedures.
  
  Related Information:
  
  Transaction Codes: Identify the transaction code that triggered the error to narrow down the context.
  Function Group WN03: Familiarize yourself with the purpose of the function group WN03 and its associated function modules to understand the broader context of the error.
  SAP Community: Engage with the SAP Community forums or support channels to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be necessary to escalate the issue to SAP support for further assistance.