How To Fix M8_2168 - Tolerance key & unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: M8_2 - Logistics Invoice Verification

• Message number: 168

• Message text: Tolerance key & unknown

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message M8_2168 - Tolerance key & unknown ?

  The SAP error message M8_2168, which states "Tolerance key & unknown," typically occurs in the context of materials management and inventory management processes. This error indicates that the system is unable to recognize the tolerance key specified in the transaction or configuration.
  Cause:
  
  Invalid Tolerance Key: The tolerance key specified in the transaction does not exist in the system or is incorrectly entered.
  Configuration Issues: The tolerance key may not be properly configured in the system settings.
  Missing Master Data: The material master or other related master data may not have the necessary settings for the tolerance key.
  Transport Issues: If the system has recently undergone a transport of configuration or master data, the tolerance key may not have been included or activated.
  
  Solution:
  
  
  Check Tolerance Key: Verify that the tolerance key you are using is valid. You can do this by navigating to the relevant configuration settings in SAP:
  
  Go to the transaction code OMD0 (for tolerance keys) and check if the key exists.
  
  
  
  Correct Configuration: If the tolerance key is missing or incorrect, you may need to create or modify it in the configuration settings. Ensure that the key is properly defined with the necessary parameters.
  
  
  Review Material Master: Check the material master data for the relevant materials to ensure that the tolerance key is assigned correctly. You can do this using transaction code MM03 to display the material master.
  
  
  Transport Check: If the issue arose after a transport, check the transport logs to ensure that all necessary objects were transported correctly. You may need to re-transport or adjust the configuration.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details on how to configure tolerance keys and their implications in your business processes.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  Related Information:
  
  Tolerance Keys: Tolerance keys are used in SAP to define acceptable variances in quantities or values during inventory management processes. They are crucial for ensuring that discrepancies are managed according to business rules.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OMD0 for tolerance key configuration, MM03 for material master display, and MM02 for material master changes.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message, as SAP frequently updates its knowledge base with solutions for common problems.
  
  By following these steps, you should be able to identify and resolve the issue related to the M8_2168 error message in SAP.