How To Fix /SAPAPO/CTM3211 - No source of supply found in subcontractor

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CTM3 -

• Message number: 211

• Message text: No source of supply found in subcontractor

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CTM3211 - No source of supply found in subcontractor ?

  The SAP error message /SAPAPO/CTM3211 No source of supply found in subcontractor typically occurs in the context of Advanced Planning and Optimization (APO) when the system is unable to find a valid source of supply for a subcontractor in the context of a specific planning run. This can happen for various reasons, and understanding the cause is essential for resolving the issue.
  Causes:
  
  Missing Source of Supply: The subcontractor may not be set up correctly in the system, or there may be no valid source of supply defined for the material in question.
  Incorrect Planning Parameters: The planning parameters for the subcontractor may not be configured correctly, leading to the system not recognizing the subcontractor as a valid source.
  Material Master Data Issues: The material master data may not be correctly maintained for the subcontractor, including the procurement type or the source list.
  Source List Configuration: The source list for the material may not include the subcontractor as a valid source.
  Time Period Issues: The planning horizon may not align with the availability of the subcontractor, meaning that the subcontractor is not available for the required time frame.
  Capacity Constraints: The subcontractor may have capacity constraints that prevent them from being considered as a source of supply.
  
  Solutions:
  
  Check Source of Supply: Verify that the subcontractor is set up as a valid source of supply for the material in the system. This can be done by checking the source list and the material master data.
  Maintain Source List: If the subcontractor is not listed, add them to the source list for the relevant material.
  Review Planning Parameters: Ensure that the planning parameters for the subcontractor are correctly configured in the APO system.
  Check Material Master Data: Review the material master data to ensure that the procurement type is set correctly and that the subcontractor is assigned as a source.
  Adjust Planning Horizon: If the planning horizon is too narrow, consider extending it to include the time frame when the subcontractor can supply the material.
  Capacity Planning: Check the capacity of the subcontractor to ensure they can meet the demand. If there are constraints, consider adjusting the planning or sourcing strategy.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes such as MD04 (Stock/Requirements List), ME01 (Maintain Source List), or MM03 (Display Material) to investigate the issue further.
  APO Configuration: Review the configuration settings in APO related to sourcing and subcontracting to ensure they are set up correctly.
  Documentation: Refer to SAP documentation or help notes related to subcontracting and sourcing in APO for more detailed guidance.
  
  By following these steps, you should be able to identify the root cause of the error and implement the necessary changes to resolve it.