How To Fix /SAPAPO/CTM1879 - No source of supply determined for sublevel product &1 at location &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CTM1 -

• Message number: 879

• Message text: No source of supply determined for sublevel product &1 at location &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CTM1879 - No source of supply determined for sublevel product &1 at location &2 ?

  The SAP error message /SAPAPO/CTM1879 indicates that the system could not determine a source of supply for a sublevel product at a specified location during the Capacity Planning or Supply Chain Management processes in SAP Advanced Planning and Optimization (APO). This error typically arises in the context of the Capable-to-Match (CTM) planning process.
  Cause:
  
  Missing Master Data: The most common cause is that the necessary master data (like material master, location master, or source of supply) is not maintained correctly.
  No Valid Source of Supply: There may be no valid source of supply defined for the product at the specified location. This could be due to:
  
  No procurement proposals or purchase orders available.
  The product is not assigned to any vendor or production resource.
  
  
  Planning Version Issues: The planning version being used may not have the necessary data or settings.
  Product Availability Check: The product may not be available for the specified time period due to stock levels or other constraints.
  Incorrect Planning Parameters: The planning parameters for the product or location may not be set correctly, leading to the inability to find a source of supply.
  
  Solution:
  
  
  Check Master Data:
  
  Ensure that the material master data for the product is complete and correctly maintained.
  Verify that the location master data is also correctly set up.
  Check if the product is assigned to a valid source of supply (vendor, production plant, etc.).
  
  
  
  Review Source of Supply:
  
  Go to the relevant transaction (like MD04 for stock/requirements list) to check if there are any existing procurement proposals or orders for the product.
  Ensure that the source of supply is active and valid for the planning period.
  
  
  
  Planning Version:
  
  Confirm that you are using the correct planning version that contains the necessary data for the product and location.
  
  
  
  Check Availability:
  
  Review the availability of the product to ensure that it can be sourced during the required time frame.
  
  
  
  Adjust Planning Parameters:
  
  Review and adjust the planning parameters for the product and location in the CTM settings to ensure they are correctly configured.
  
  
  
  Run CTM Again:
  
  After making the necessary adjustments, rerun the CTM process to see if the issue is resolved.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/CTM, /SAPAPO/MC90, or /SAPAPO/MD04 to analyze and troubleshoot the issue.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  Documentation: Refer to the SAP Help Portal for detailed documentation on CTM and master data management in SAP APO.
  
  By following these steps, you should be able to identify the root cause of the error and implement the necessary solutions to resolve it.