How To Fix RM391 - Reservation & could not be blocked: no WM material staging


RM391 - Overview

  • Message type: E = Error

  • Message class: RM - Messages for Repetitive Manufacturing

  • Message number: 391

  • Message text: Reservation & could not be blocked: no WM material staging

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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 RM391 - Reservation & could not be blocked: no WM material staging ?
    The SAP error message RM391, which states "Reservation & could not be blocked: no WM material staging," typically occurs in the context of Warehouse Management (WM) when there is an issue with the material staging process for a reservation. This error indicates that the system is unable to block the reservation because the necessary material staging has not been set up or is not available.
    Causes:
    
    Missing Material Staging: The material that is supposed to be staged for the reservation is not available in the warehouse.
    Incorrect Configuration: The warehouse management settings may not be properly configured to allow for the staging of materials.
    Reservation Issues: The reservation itself may not be correctly set up or may not meet the necessary criteria for blocking.
    Stock Availability: There may be insufficient stock available in the warehouse to fulfill the reservation.
    Warehouse Process: The warehouse process may not be correctly defined, leading to issues in material handling.
    
    Solutions:
    
    Check Material

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