How To Fix /SAPAPO/CTM4424 - The selection contains invalid sources of supply for in-house production

/SAPAPO/CTM4424 - Overview

• Message type: E = Error

• Message class: /SAPAPO/CTM4 -

• Message number: 424

• Message text: The selection contains invalid sources of supply for in-house production

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CTM4424 - The selection contains invalid sources of supply for in-house production ?

  The SAP error message /SAPAPO/CTM4424 indicates that there are invalid sources of supply for in-house production 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 designated for in-house production.
  Causes:
  
  
  Invalid Source of Supply: The source of supply defined for the production process may not be valid. This could be due to:
  
  The production resource is not available or is inactive.
  The production resource does not have the necessary capacity.
  The production resource is not assigned to the relevant product.
  
  
  
  Incorrect Master Data: Issues with master data such as:
  
  Incorrectly defined production versions.
  Missing or incorrect material master data.
  Incomplete or incorrect routing information.
  
  
  
  Planning Parameters: The planning parameters set in the system may not align with the available resources or production capabilities.
  
  
  Capacity Constraints: The production resource may be overloaded