How To Fix /VSO/R_MSG031 - Optimization is no longer possible - downstream processes already started

SAP Error Message - Details

• Message type: E = Error

• Message class: /VSO/R_MSG -

• Message number: 031

• Message text: Optimization is no longer possible - downstream processes already started

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /VSO/R_MSG031 - Optimization is no longer possible - downstream processes already started ?

  The SAP error message /VSO/R_MSG031 Optimization is no longer possible - downstream processes already started typically occurs in the context of the SAP Advanced Planning and Optimization (APO) module, particularly when dealing with planning runs and optimization processes.
  Cause:
  This error indicates that an optimization process cannot be executed because downstream processes have already begun. In the context of supply chain planning, this means that once certain planning activities (like production orders, purchase orders, or other dependent processes) have started, the system locks the planning data to prevent inconsistencies. The optimization process cannot be applied to data that is already being processed or has been committed to downstream activities.
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Downstream Processes: Identify which downstream processes have started. This could involve checking production orders, purchase orders, or any other dependent processes that may have been triggered.
  
  
  Wait for Completion: If downstream processes are currently running, you may need to wait until they are completed before attempting to run the optimization again.
  
  
  Re-run Optimization: Once you confirm that no downstream processes are active, you can attempt to re-run the optimization process.
  
  
  Review Planning Sequence: Ensure that your planning sequence is correctly set up. Sometimes, adjusting the sequence of planning runs can help avoid this issue.
  
  
  Check for Locks: Investigate if there are any locks on the planning data that might be preventing the optimization. You can use transaction codes like SM12 to check for locks.
  
  
  Consult Documentation: Review SAP documentation or notes related to the specific version of APO you are using, as there may be specific recommendations or patches available.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/OPTIMIZE for optimization runs, and SM12 for checking locks.
  SAP Notes: Search for SAP Notes related to this error message for any known issues or fixes.
  System Logs: Check system logs for additional error messages or warnings that may provide more context about the issue.
  User Roles and Authorizations: Ensure that the user executing the optimization has the necessary authorizations to perform the action.
  
  By following these steps, you should be able to address the error and successfully run your optimization processes in SAP.