How To Fix /SAPAPO/PP_OPTIMIZER287 - Fixed partial problem cannot be solved

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PP_OPTIMIZER -

• Message number: 287

• Message text: Fixed partial problem cannot be solved

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PP_OPTIMIZER287 - Fixed partial problem cannot be solved ?

  The SAP error message /SAPAPO/PP_OPTIMIZER287 indicates that the optimizer encountered a situation where it could not solve a fixed partial problem. This typically occurs in the context of Advanced Planning and Optimization (APO) in SAP, particularly when using the Production Planning (PP) Optimizer.
  Causes:
  
  Infeasible Constraints: The constraints defined in the planning run may be conflicting or infeasible, making it impossible for the optimizer to find a solution.
  Data Issues: There may be issues with master data, such as incorrect or missing data for resources, products, or production versions.
  Capacity Constraints: If the capacity of resources is not sufficient to meet the demand, the optimizer may fail to find a feasible solution.
  Incorrect Settings: The settings in the optimizer profile or planning parameters may not be configured correctly, leading to issues during optimization.
  Fixed Orders: If there are fixed orders or fixed production quantities that cannot be adjusted, it may lead to infeasibility in the optimization process.
  
  Solutions:
  
  Review Constraints: Check the constraints defined in the planning run. Ensure that they are realistic and do not conflict with each other.
  Validate Master Data: Ensure that all relevant master data (materials, resources, production versions) is complete and accurate. Look for any missing or incorrect entries.
  Check Capacity: Review the capacity of resources to ensure they can meet the planned production. Adjust capacity or production schedules as necessary.
  Adjust Optimizer Settings: Review the optimizer profile and planning parameters. Make adjustments to settings that may be causing the issue.
  Analyze Fixed Orders: If there are fixed orders, analyze whether they can be adjusted or if additional capacity is needed to accommodate them.
  Run a Simplified Model: If possible, try running a simplified version of the model to identify specific constraints or data issues causing the problem.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like /SAPAPO/OPTIMIZER to access the optimizer settings and profiles.
  Logs and Traces: Check the optimizer logs for more detailed error messages or warnings that can provide insights into the specific cause of the issue.
  SAP Notes: Search for relevant SAP Notes that may address known issues or provide patches related to the optimizer.
  Consult Documentation: Review SAP documentation for the PP Optimizer to understand the configuration and constraints better.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with SAP support or a technical consultant who specializes in SAP APO.