How To Fix /SAPAPO/ND321 - Optimal solution with value & found

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/ND -

• Message number: 321

• Message text: Optimal solution with value & found

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ND321 - Optimal solution with value & found ?

  The SAP error message /SAPAPO/ND321 Optimal solution with value & found typically occurs in the context of SAP Advanced Planning and Optimization (APO) when the system is unable to find an optimal solution for a planning problem. This message indicates that the optimization process has completed, but the solution found is not optimal, or it may indicate that the optimization process was unable to find a feasible solution altogether.
  Causes:
  
  Data Issues: Incomplete or incorrect master data (e.g., product master, location master, etc.) can lead to infeasibility in the optimization process.
  Constraints: Too many or overly restrictive constraints in the planning model can prevent the optimizer from finding a feasible solution.
  Configuration Issues: Incorrect configuration settings in the planning area or planning book can lead to suboptimal results.
  Resource Limitations: Insufficient resources (e.g., capacity constraints) can lead to infeasibility in the optimization process.
  Model Complexity: The complexity of the planning model may exceed the capabilities of the optimization algorithm being used.
  
  Solutions:
  
  Review Master Data: Ensure that all relevant master data is complete and accurate. Check for missing or incorrect entries in product, location, and resource master data.
  Analyze Constraints: Review the constraints defined in the planning model. Consider relaxing some constraints to allow for a feasible solution.
  Check Configuration: Verify the configuration settings in the planning area and planning book. Ensure that they are set up correctly for the optimization process.
  Resource Availability: Check the availability of resources and ensure that they are sufficient to meet the demand. Adjust capacity settings if necessary.
  Run Diagnostics: Use the diagnostic tools available in SAP APO to analyze the planning run and identify potential issues.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of APO you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/SDP94 (for planning book) and /SAPAPO/OPTIMIZE (for optimization runs) to help diagnose and resolve issues.
  Community Forums: Engage with the SAP community forums or user groups to see if others have encountered similar issues and what solutions they found effective.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with SAP support for further assistance.