How To Fix MG139 - Field &1 not supported if Business Function &2 is deactivated

SAP Error Message - Details

• Message type: E = Error

• Message class: MG - Batch input: material master

• Message number: 139

• Message text: Field &1 not supported if Business Function &2 is deactivated

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MG139 - Field &1 not supported if Business Function &2 is deactivated ?

  The SAP error message MG139, which states "Field &1 not supported if Business Function &2 is deactivated," typically occurs in the context of Material Management (MM) or related modules when a specific field or functionality is being accessed that is dependent on a business function that is currently deactivated.
  Cause:
  
  Business Function Deactivation: The error indicates that a certain business function (identified as &2) is not active in your SAP system. This business function may be required to use the field (identified as &1) you are trying to access or modify.
  Configuration Issues: The system may be configured to use certain fields or features that are only available when specific business functions are activated.
  Custom Development: If there are custom developments or enhancements that rely on the deactivated business function, this could also lead to the error.
  
  Solution:
  
  
  Activate the Business Function: The most straightforward solution is to activate the business function that is causing the issue. This can be done through the transaction code SFW5 (Business Function Activation). You will need appropriate authorization to make this change.
  
  Navigate to the transaction.
  Find the relevant business function (identified as &2 in the error message).
  Activate it and save your changes.
  
  
  
  Check Dependencies: Review the dependencies of the business function to ensure that activating it will not cause issues with other functionalities or processes in your system.
  
  
  Review Custom Code: If there is custom code that relies on the business function, you may need to modify it to handle cases where the function is not active or to use alternative fields or logic.
  
  
  Consult Documentation: Check SAP documentation or notes related to the specific business function and field to understand their relationship and any implications of activation.
  
  
  Testing: After making changes, ensure to test the affected processes thoroughly to confirm that the error is resolved and that no new issues have been introduced.
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that may provide additional context or solutions for this specific error message.
  Business Function Documentation: Review the documentation for the business function to understand its purpose and the fields it supports.
  System Configuration: Ensure that your system configuration aligns with the business processes you intend to support, and consider whether other business functions may also need to be activated.
  
  If you continue to experience issues after attempting these solutions, it may be beneficial to consult with your SAP Basis or functional team for further assistance.