How To Fix M8_2109 - Cannot assign material items, as document from SAP TM

SAP Error Message - Details

• Message type: E = Error

• Message class: M8_2 - Logistics Invoice Verification

• Message number: 109

• Message text: Cannot assign material items, as document from SAP TM

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message M8_2109 - Cannot assign material items, as document from SAP TM ?

  The SAP error message M8_2109, which states "Cannot assign material items, as document from SAP TM," typically occurs in the context of SAP Transportation Management (TM) when there is an issue with the assignment of material items to a transportation document. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  Inconsistent Data: The material items may not be properly defined or may have inconsistencies in their master data.
  Document Status: The transportation document may be in a status that does not allow for the assignment of material items.
  Missing Configuration: There may be missing or incorrect configuration settings in the SAP TM or SAP ERP system that prevent the assignment.
  Item Category Issues: The item category of the materials may not be compatible with the transportation document.
  Authorization Issues: The user may not have the necessary authorizations to perform the assignment.
  
  Solutions:
  
  Check Material Master Data: Ensure that the material items are correctly defined in the material master. Verify that all necessary fields are filled out and that there are no inconsistencies.
  Review Document Status: Check the status of the transportation document. If it is in a status that does not allow changes, you may need to change the status or create a new document.
  Configuration Review: Review the configuration settings in both SAP TM and SAP ERP. Ensure that all necessary settings for material assignment are correctly configured.
  Item Category Validation: Verify that the item categories of the materials are compatible with the transportation document. If not, you may need to adjust the item categories.
  Authorization Check: Ensure that the user has the necessary authorizations to perform the assignment. If not, contact your system administrator to grant the required permissions.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP Notes often provide patches or additional guidance for known issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SCMTMS/ for SAP TM and MM03 for material master data to help diagnose and resolve the issue.
  Documentation: Refer to the official SAP documentation for both SAP TM and the relevant modules in SAP ERP for detailed guidance on configuration and troubleshooting.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.