How To Fix /SAPAPO/CTM4423 - The selection contains invalid sources of supply for external procurement

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CTM4 -

• Message number: 423

• Message text: The selection contains invalid sources of supply for external procurement

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CTM4423 - The selection contains invalid sources of supply for external procurement ?

  The SAP error message /SAPAPO/CTM4423 indicates that there are invalid sources of supply for external procurement in the context of the SAP Advanced Planning and Optimization (APO) module, specifically when using the Capable-to-Match (CTM) functionality. This error typically arises during the planning process when the system encounters issues with the sources of supply that are defined for external procurement.
  Cause:
  
  Invalid Source of Supply: The source of supply (e.g., vendor, contract) may not be valid for the material or may not be set up correctly in the system.
  Missing or Incorrect Data: There may be missing or incorrect data in the master data for the material, vendor, or purchasing info records.
  Planning Area Configuration: The planning area may not be configured correctly to include the necessary sources of supply.
  Source List Issues: The source list for the material may not include valid external procurement options.
  Procurement Type: The procurement type for the material may not allow for external procurement.
  
  Solution:
  
  Check Source of Supply: Verify that the sources of supply (vendors, contracts) are correctly set up in the system. Ensure that they are valid and active.
  Review Master Data: Check the material master data, vendor master data, and purchasing info records for completeness and correctness.
  Update Source List: Ensure that the source list for the material includes valid external procurement options. You can do this by using transaction code ME01 or ME05 to maintain the source list.
  Check Planning Area Settings: Review the configuration of the planning area in the APO system to ensure that it includes the necessary sources of supply.
  Adjust Procurement Type: If the procurement type is set to a value that does not allow external procurement, consider changing it to allow for external sources.
  Run Consistency Checks: Use transaction codes like /SAPAPO/CTM to run consistency checks and identify any discrepancies in the planning data.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME01 (Maintain Source List), ME05 (Display Source List), and /SAPAPO/CTM (CTM Planning).
  Documentation: Refer to SAP documentation for detailed information on configuring sources of supply and troubleshooting planning issues.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the error message /SAPAPO/CTM4423.