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How To Fix WRF_APC144 - Attributes for "Planning-only" prepack material &1 cannot be maintained


SAP Error Message - Details

  • Message type: E = Error

  • Message class: WRF_APC - Messages for Operational Assortment Planning and Control

  • Message number: 144

  • Message text: Attributes for "Planning-only" prepack material &1 cannot be maintained

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  • Self-Explanatory Message

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    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.

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Smart SAP Assistant

  • What is the cause and solution for SAP error message WRF_APC144 - Attributes for "Planning-only" prepack material &1 cannot be maintained ?

    Certainly! Here's a detailed explanation for the SAP error message:


    SAP Error Message:

    WRF_APC144: Attributes for "Planning-only" prepack material &1 cannot be maintained


    Cause:

    This error occurs when you try to maintain or change certain attributes (such as classification or other master data attributes) for a material that is defined as a "Planning-only" prepack material in SAP.

    • "Planning-only" prepack materials are special materials used in SAP Advanced Planning and Optimization (APO) or in SAP ERP for planning purposes only.
    • These materials are typically not meant to be directly maintained or changed in the ERP system because they are derived or managed differently (e.g., they might be created and maintained in APO or through specific planning processes).
    • The system restricts changes to these materials to avoid inconsistencies or conflicts in planning data.

    When does this happen?

    • When you try to maintain classification data or other master data attributes for a prepack material flagged as "Planning-only".
    • When you attempt to change the material master or related data in transaction codes like MM02 or classification transactions.
    • When the material is flagged in a way that it should only be used for planning and not for transactional processing.

    Solution:

    1. Check the material type and settings:

      • Verify if the material is indeed flagged as a "Planning-only" prepack material.
      • This flag is usually set in the material master or in the APO system.
    2. Avoid direct maintenance:

      • Do not maintain attributes directly in ERP for these materials.
      • Instead, maintain the relevant data in the system where the material is managed (e.g., SAP APO).
    3. If changes are necessary:

      • Coordinate with your APO or planning team to make changes in the planning system.
      • If the material should no longer be "Planning-only," you may need to change the material settings or remove the "Planning-only" flag, but this should be done carefully and usually requires a change in configuration or master data governance.
    4. Check customizing and master data governance:

      • Review the configuration for prepack materials and planning-only flags.
      • Consult SAP notes or your SAP support team if you need to change the behavior.

    Related Information:

    • Prepack materials are used to group several materials into one unit for planning or sales purposes.
    • Planning-only materials are often used in integration scenarios between SAP ERP and SAP APO.
    • This error is a safeguard to prevent inconsistent data changes.
    • SAP Notes and documentation related to APO integration and prepack materials may provide additional guidance.
    • Typical transactions involved: MM01/MM02 (Material Master), CL20N (Classification), APO transactions.

    Summary:

    Aspect Details
    Error WRF_APC144: Attributes for "Planning-only" prepack material &1 cannot be maintained
    Cause Attempt to maintain attributes for a material flagged as "Planning-only" prepack
    Solution Maintain attributes only in the planning system (e.g., APO); avoid direct changes in ERP
    Additional Review material settings and coordinate with planning team; check SAP Notes if needed

    If you need, I can help you find relevant SAP Notes or guide you through the steps to check the material settings.

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