How To Fix PPH_MRP146 - Planning with forecast demand not supported in MRP Live on HANA


PPH_MRP146 - Overview

  • Message type: E = Error

  • Message class: PPH_MRP -

  • Message number: 146

  • Message text: Planning with forecast demand not supported in MRP Live on HANA

  • Show details Hide details
  • What causes this issue?

    A forecast exists for the material and the forecast requirements are to
    be considered in the planning run. However, the MRP Live on HANA run
    does not support the planning of forecast requirements.
    Note:
    Do not confuse forecast requirements with planned independent
    requirements. MRP Live on HANA supports the planning of planned
    independent requirements. With regard to forecasts, MRP Live on HANA
    supports the following scenarios:
    Execution of a forecast for the total consumption. The forecast itself
    is not relevant to planning but can be used as the basis for planned
    independent requirements which are included in the MRP Live on HANA run.
    Execution of a forecast for the calculation of the reorder point and
    safety stock for consumption-based planning.

    System Response

    The MRP Live report plans the material using classic MRP.

    How to fix this error?

    The planning run using classic MRP may be slower than the planning run
    using MRP Live on HANA. To enable the planning of the material in MRP
    Live on HANA, proceed as follows:
    Check whether the material was included in a forecast recently. If the
    material was only included in forecasts in the past for which forecast
    requirements still exist, they will prevent the material from being
    included in the MRP Live on HANA run. In this case, delete the forecasts
    or select an MRP procedure that does not take account of the forecast.
    If the forecast is executed for the total consumption and included in
    the planning run (for example, for the MRP procedure ?VV?), you can
    define a similar process by setting the planning strategy group ?10?
    (make-to-stock) in the material master and selecting an MRP procedure
    that enables the execution of the forecast for the total consumption
    whereby the forecast is not relevant to planning. Then you can use the
    forecast as the basis for planned independent requirements which can be
    included in the MRP Live on HANA run.

    Procedure for System Administrators

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.


    Error message extract from SAP system. Copyright SAP SE.


PPH_MRP146 - Details

  • The SAP error message PPH_MRP146 indicates that planning with forecast demand is not supported in MRP Live on HANA. This error typically arises when you are trying to run a Material Requirements Planning (MRP) process that involves forecast demand, which is not compatible with the MRP Live functionality in SAP S/4HANA.
    
    Cause: MRP Live Limitations: MRP Live in SAP S/4HANA does not support planning with forecast demand. This is a design limitation of the MRP Live engine, which is optimized for real-time processing and does not include certain functionalities available in the traditional MRP.
    Configuration Issues: The system may be configured to use forecast demand in a way that is incompatible with MRP Live. Material Master Settings: The material master settings for the relevant materials may not be correctly configured to support MRP Live processing.
    Solution: Use Classic MRP: If you need to plan with forecast demand, you may need to switch to the classic MRP

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