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

/SAPAPO/CTM1879 - Overview

• 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

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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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