How To Fix MW495 - Alloc strategy, material &: the following exceptions occurred


SAP Error Message - Details

  • Message type: E = Error

  • Message class: MW - Messages IS-R / Allocation Tables

  • Message number: 495

  • Message text: Alloc strategy, material &: the following exceptions occurred

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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 MW495 - Alloc strategy, material &: the following exceptions occurred ?

    The SAP error message MW495 typically relates to issues with the allocation strategy for materials in the context of inventory management or production planning. This error can occur when the system encounters exceptions while trying to allocate stock based on the defined allocation strategy.

    Causes of MW495 Error

    1. Incorrect Allocation Strategy: The allocation strategy defined for the material may not be appropriate or may not exist in the system.
    2. Stock Availability Issues: There may not be enough stock available to fulfill the allocation request.
    3. Configuration Issues: The configuration settings for the allocation strategy in the system may be incorrect or incomplete.
    4. Material Master Data Issues: The material master data may not be set up correctly, leading to issues in allocation.
    5. Document Type Issues: The document type used for the allocation may not be compatible with the allocation strategy.
    6. User Authorizations: The user may not have the necessary authorizations to perform the allocation.

    Solutions to MW495 Error

    1. Check Allocation Strategy:

      • Verify that the allocation strategy assigned to the material is correct and exists in the system.
      • If necessary, update or change the allocation strategy in the material master.
    2. Review Stock Levels:

      • Check the stock levels for the material to ensure that there is sufficient stock available for allocation.
      • If stock is insufficient, consider replenishing stock or adjusting the allocation request.
    3. Configuration Review:

      • Review the configuration settings for the allocation strategy in the SAP system.
      • Ensure that all necessary settings are correctly configured in the system.
    4. Material Master Data:

      • Check the material master data for any inconsistencies or missing information.
      • Ensure that all relevant fields are filled out correctly.
    5. Document Type Compatibility:

      • Verify that the document type being used for the allocation is compatible with the allocation strategy.
      • If necessary, change the document type or adjust the allocation strategy.
    6. User Authorizations:

      • Ensure that the user attempting the allocation has the necessary authorizations to perform the action.
      • If not, work with your SAP security team to grant the required permissions.

    Related Information

    • Transaction Codes: You may need to use transaction codes like MM03 (Display Material), OMI1 (Maintain Allocation Strategy), or MB1A (Goods Withdrawal) to investigate and resolve the issue.
    • SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on the MW495 error.
    • Documentation: Refer to SAP documentation or help files for detailed information on allocation strategies and their configuration.

    If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.

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