How To Fix /SAPAPO/PP_OPTIMIZER206 - Production process model/PDS &1: Discrete constraints violated

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PP_OPTIMIZER -

• Message number: 206

• Message text: Production process model/PDS &1: Discrete constraints violated

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PP_OPTIMIZER206 - Production process model/PDS &1: Discrete constraints violated ?

  The SAP error message /SAPAPO/PP_OPTIMIZER206 indicates that there are discrete constraints being violated in the Production Process Model (PDS) during the optimization process in SAP Advanced Planning and Optimization (APO). This typically occurs when the constraints defined in the PDS do not allow for the planned production activities to be executed as intended.
  Cause:
  
  
  Discrete Constraints: The error is often caused by constraints that are defined in the PDS, such as:
  
  Capacity constraints (e.g., machine availability).
  Resource constraints (e.g., specific resources required for production).
  Material availability constraints (e.g., raw materials not available in the required quantities).
  Sequence-dependent setup times or costs that are not being respected.
  
  
  
  Incorrect PDS Configuration: The PDS may not be configured correctly, leading to conflicts between the production plan and the defined constraints.
  
  
  Planning Parameters: The planning parameters set in the APO system may not align with the actual production capabilities or requirements.
  
  
  Solution:
  
  
  Review PDS Configuration: Check the configuration of the PDS for the product in question. Ensure that all constraints are correctly defined and that they reflect the actual production capabilities.
  
  
  Check Resource Availability: Verify that the resources (machines, labor, etc.) required for production are available and not over-allocated. Adjust the production schedule if necessary.
  
  
  Adjust Planning Parameters: Review and adjust the planning parameters in the APO system to ensure they align with the actual production processes and constraints.
  
  
  Analyze Production Orders: Look at the production orders that are being planned and see if they are conflicting with the defined constraints. Adjust the orders or the planning strategy as needed.
  
  
  Run the Optimizer with Different Settings: If the issue persists, try running the optimizer with different settings or parameters to see if it resolves the constraint violations.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the constraints and how to configure them properly.
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like /SAPAPO/PDS to access and modify the PDS settings.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  APO Documentation: Review the APO documentation for best practices on setting up PDS and managing constraints effectively.
  Support: If the issue cannot be resolved internally, consider reaching out to SAP support for assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve the discrete constraints violation in your production planning process.