How To Fix /SAPAPO/PP_OPTIMIZER229 - Setup matrix &1: Triangle inequality for setup costs not fulfiled.

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PP_OPTIMIZER -

• Message number: 229

• Message text: Setup matrix &1: Triangle inequality for setup costs not fulfiled.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PP_OPTIMIZER229 - Setup matrix &1: Triangle inequality for setup costs not fulfiled. ?

  The SAP error message /SAPAPO/PP_OPTIMIZER229 indicates that there is an issue with the setup costs defined in the setup matrix for the production planning and optimization (PP/DS) module. Specifically, it refers to the triangle inequality not being fulfilled for the setup costs. 
  Cause:
  The triangle inequality for setup costs is a mathematical condition that must be satisfied for the setup costs between different products or resources. It states that for three products A, B, and C, the setup cost from A to B plus the setup cost from B to C should be greater than or equal to the setup cost from A to C. If this condition is not met, it can lead to inconsistencies in the optimization calculations.
  Solution:
  To resolve this error, you should:
  
  
  Review the Setup Matrix: Check the setup costs defined in the setup matrix for the relevant products or resources. Ensure that the costs are correctly defined and that they satisfy the triangle inequality.
  
  
  Adjust Setup Costs: If you find that the setup costs do not satisfy the triangle inequality, you will need to adjust them. This may involve increasing the setup cost between certain product pairs or re-evaluating the costs based on actual production scenarios.
  
  
  Validate Data: After making adjustments, validate the setup matrix data to ensure that all entries are correct and that the triangle inequality is now satisfied.
  
  
  Re-run Optimization: Once the setup costs have been corrected, re-run the optimization process to see if the error persists.
  
  
  Consult Documentation: If you are unsure about how to adjust the setup costs or validate the matrix, refer to SAP documentation or consult with a functional consultant who specializes in SAP APO.
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/OPTIMIZER or /SAPAPO/SETUP to access the relevant setup matrix and make changes.
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or fixes related to this error.
  Testing: After making changes, conduct thorough testing to ensure that the changes do not negatively impact other areas of the production planning process.
  
  By following these steps, you should be able to resolve the error and ensure that your setup costs are correctly configured for optimization in SAP APO.