How To Fix /SAPAPO/PP_OPTIMIZER810 - Starting interior point method

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PP_OPTIMIZER -

• Message number: 810

• Message text: Starting interior point method

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PP_OPTIMIZER810 - Starting interior point method ?

  The SAP error message /SAPAPO/PP_OPTIMIZER810 Starting interior point method typically relates to issues encountered during the execution of the SAP Advanced Planning and Optimization (APO) optimizer, particularly when it is trying to solve a linear programming problem using the interior point method.
  Cause:
  
  Model Complexity: The problem being solved may be too complex or large, leading to difficulties in finding a feasible solution.
  Data Issues: There may be inconsistencies or errors in the master data, transaction data, or configuration settings that affect the optimization model.
  Resource Constraints: Insufficient resources (e.g., memory or processing power) on the server can lead to issues when the optimizer attempts to run.
  Solver Configuration: The configuration settings for the optimizer may not be optimal for the specific problem being solved.
  
  Solution:
  
  Check Data Integrity: Ensure that all relevant master data (e.g., materials, resources, production versions) and transaction data (e.g., planned orders, stock levels) are accurate and complete.
  Simplify the Model: If possible, simplify the optimization model by reducing the number of variables or constraints. This can help the optimizer find a feasible solution more easily.
  Increase Resources: If the server is running low on resources, consider increasing the available memory or processing power.
  Review Configuration Settings: Check the configuration settings for the optimizer. Ensure that the settings are appropriate for the type of optimization being performed.
  Use Alternative Solvers: If the interior point method is not yielding results, consider using other optimization methods available in SAP APO, such as the Simplex method.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address known issues or provide patches related to the optimizer.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for APO and the optimizer for detailed information on configuration and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Performance Monitoring: Use transaction codes like /SAPAPO/OPTIMIZER to monitor the performance of the optimizer and identify bottlenecks.
  Testing: Run smaller test cases to isolate the problem and understand the conditions under which the error occurs.
  
  If the issue persists after trying the above solutions, it may be necessary to involve SAP support for further assistance.