How To Fix /SAPAPO/PPM_GENERATE121 - No valid mode combination exists for the PP/DS plan

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PPM_GENERATE -

• Message number: 121

• Message text: No valid mode combination exists for the PP/DS plan

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PPM_GENERATE121 - No valid mode combination exists for the PP/DS plan ?

  The SAP error message /SAPAPO/PPM_GENERATE121 indicates that there is no valid mode combination for the Production Planning and Detailed Scheduling (PP/DS) plan. This error typically arises during the planning process when the system cannot find a suitable combination of resources, production modes, or other parameters necessary to execute the planning run.
  Causes:
  
  Missing or Incorrect Mode Combinations: The planning mode combinations defined in the system may not match the requirements of the planned orders or production processes.
  Resource Configuration Issues: Resources may not be properly configured or may not have the necessary modes assigned to them.
  Master Data Issues: Problems with master data, such as incorrect or incomplete data for materials, resources, or production versions, can lead to this error.
  Capacity Constraints: If the capacity of resources is insufficient or not defined correctly, it may lead to the absence of valid combinations.
  Planning Version Issues: The planning version being used may not have the correct settings or data.
  
  Solutions:
  
  Check Mode Combinations: Review the mode combinations defined in the system. Ensure that the combinations required for the planned orders are available and correctly configured.
  Review Resource Settings: Verify that all resources involved in the planning process have the necessary modes assigned. Check the resource master data for any discrepancies.
  Validate Master Data: Ensure that all relevant master data (materials, production versions, etc.) is complete and accurate. Correct any inconsistencies found.
  Capacity Planning: Check the capacity settings for the resources. Ensure that they are sufficient to meet the demands of the planned orders.
  Planning Version Configuration: Make sure that the planning version being used is correctly set up and contains all necessary data for the planning run.
  Run Planning Simulation: If possible, run a planning simulation to identify any specific issues that may be causing the error.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SAPAPO/PPM for planning and /SAPAPO/MC90 for checking mode combinations.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  Documentation: Refer to SAP documentation for PP/DS to understand the configuration and setup of modes and resources better.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.