How To Fix PMRP089 - Simulated change of top-level demand has been redone

SAP Error Message - Details

• Message type: E = Error

• Message class: PMRP - Messages for pMRP

• Message number: 089

• Message text: Simulated change of top-level demand has been redone

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PMRP089 - Simulated change of top-level demand has been redone ?

  The SAP error message PMRP089, which states "Simulated change of top-level demand has been redone," typically occurs in the context of the Material Requirements Planning (MRP) process. This message indicates that a simulation of changes to the top-level demand (such as a sales order or production order) has been executed, but the system has determined that the changes need to be re-evaluated or redone.
  Cause:
  
  Data Changes: The underlying data related to the demand or supply may have changed after the initial simulation was performed. This could include changes in stock levels, planned orders, or other relevant master data.
  MRP Run Settings: The settings or parameters used in the MRP run may not align with the current state of the data, leading to inconsistencies.
  Concurrency Issues: If multiple users or processes are trying to modify the same data simultaneously, it can lead to conflicts that trigger this message.
  Configuration Issues: Incorrect configuration in the MRP settings or master data can also lead to this error.
  
  Solution:
  
  Re-run MRP: The most straightforward solution is to re-run the MRP process. This will allow the system to recalculate the requirements based on the most current data.
  Check for Data Changes: Review any recent changes made to the demand or supply data. Ensure that all relevant data is up to date and consistent.
  Review MRP Parameters: Check the MRP parameters and settings to ensure they are correctly configured for your planning scenario.
  Locking Mechanisms: Ensure that there are no locking issues or concurrent processes that might be affecting the data. If necessary, coordinate with other users to avoid conflicts.
  Analyze Logs: Check the MRP logs for any additional error messages or warnings that might provide more context about the issue.
  Consult Documentation: Refer to SAP documentation or support notes related to MRP and the specific error message for additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Look for SAP Notes related to PMRP089 for any specific patches or updates that might address known issues.
  MRP Configuration: Familiarize yourself with MRP configuration settings in SAP, as understanding these can help prevent similar issues in the future.
  User Training: Ensure that users involved in the MRP process are adequately trained to minimize data entry errors and understand the implications of their changes.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a consultant who specializes in SAP MRP processes for further assistance.