How To Fix OM100 - Custom. MM, 100-300 Autom. acct. assgt.


SAP Error Message - Details

  • Message type: E = Error

  • Message class: OM - Customizing Materialwirtschaft

  • Message number: 100

  • Message text: Custom. MM, 100-300 Autom. acct. assgt.

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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.



    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 OM100 - Custom. MM, 100-300 Autom. acct. assgt. ?

    The SAP error message OM100 typically relates to issues with automatic account assignment in the Materials Management (MM) module. This error can occur when there is a problem with the configuration of account determination for various transactions, such as goods movements, invoice postings, or other inventory-related activities.

    Cause:

    1. Missing Configuration: The automatic account assignment for the relevant transaction type may not be configured correctly in the system.
    2. Account Determination: The system cannot find a valid account assignment for the transaction due to missing or incorrect settings in the account determination configuration.
    3. Transaction Type Issues: The transaction type being used may not have a corresponding account assignment defined in the configuration.
    4. Master Data Issues: There may be issues with the material master or vendor master data that prevent the system from determining the correct accounts.

    Solution:

    1. Check Configuration:

      • Go to the configuration settings for account determination in the SAP system. This can typically be found under SPRO > IMG > Materials Management > Valuation and Account Assignment > Account Determination.
      • Ensure that the necessary account assignments are defined for the relevant transaction types.
    2. Review Transaction Types:

      • Verify that the transaction type you are using has the correct account assignment settings. This includes checking the movement types and their associated account determination.
    3. Check Master Data:

      • Review the material master and vendor master data to ensure that all necessary fields are filled out correctly. Pay special attention to the valuation class and other relevant fields that impact account determination.
    4. Test with Different Scenarios:

      • If possible, test the transaction with different materials or vendors to see if the issue persists. This can help identify if the problem is specific to certain master data records.
    5. Consult Documentation:

      • Refer to SAP documentation or help resources for specific guidance on the error message and related configuration settings.
    6. Seek Help from SAP Support:

      • If the issue persists after checking the configuration and master data, consider reaching out to SAP support for further assistance.

    Related Information:

    • Transaction Codes: You may need to use transaction codes like OBYC (for account determination) or MM01 (to check material master data) to investigate the issue further.
    • SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on the OM100 error.
    • User Forums: Consider visiting SAP community forums or user groups where similar issues may have been discussed.

    By following these steps, you should be able to identify and resolve the cause of the OM100 error in your SAP system.

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