How To Fix WM400 - Material category & not assigned to transaction


WM400 - Overview

  • Message type: E = Error

  • Message class: WM - IS-R Assortments

  • Message number: 400

  • Message text: Material category & not assigned to transaction

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  • 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 WM400 - Material category & not assigned to transaction ?
    The SAP error message WM400 ("Material category & not assigned to transaction") typically occurs in the Warehouse Management (WM) module when a material is not properly configured for the transaction you are trying to perform. This can happen during various processes, such as goods movements, stock transfers, or inventory management.
    
    Cause: Material Category Not Defined: The material category for the specific material is not defined in the system for the transaction you are trying to execute. Transaction Type Not Allowed: The material may not be allowed for the specific transaction type in the Warehouse Management settings.
    Configuration Issues: There may be issues in the configuration of the Warehouse Management module or the material master data. Missing Assignments: The material category may not be assigned to the relevant warehouse or storage type.
    Solution: Check Material Master Data: Go to the material master record (transaction code MM03) and check the material category assigned to the material. Ensure that the material is

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