How To Fix MD131 - Simulation planned orders cannot be changed manually


MD131 - Overview

  • Message type: E = Error

  • Message class: MD - Material Requirements Planning (MRP)

  • Message number: 131

  • Message text: Simulation planned orders cannot be changed manually

  • Show details Hide details
  • What causes this issue?

    The planned order that was selected is a simulative planned order from
    long-term planning.

    System Response

    Planned orders that are created in long-term planning cannot be changed
    or firmed. They are used to check the effects of the simulative demand
    program on production and procurement. Thus, a preview is availble of
    the planned demand program.
    The planned orders are changed or replanned in the operative planning
    run.

    How to fix this error?

    You can only change the simulative planned orders from the results
    screen of the long-term, single-item planning.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message MD131 - Simulation planned orders cannot be changed manually ?
    The SAP error message MD131, which states "Simulation planned orders cannot be changed manually," typically occurs in the context of production planning and material requirements planning (MRP) within SAP. This error indicates that the planned orders generated during a simulation run cannot be modified directly by users.
    
    Cause: Simulation Mode: The planned orders were created as part of a simulation run. In this mode, the system is designed to allow users to analyze the impact of changes without affecting the actual production planning data. System Settings: The configuration of the MRP settings may restrict manual changes to simulation orders to prevent inconsistencies in planning data. Order Type: The planned orders may be of a specific type that is designated for simulation purposes only.
    Solution: Review Simulation Settings: If you need to make changes to the planned orders, consider running the MRP in a non-simulation mode. This will generate actual planned orders that can be modified. Use the

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