How To Fix /SAPAPO/CTM1352 - Resources can only be checked with in-house prod. sources of supply

/SAPAPO/CTM1352 - Overview

• Message type: E = Error

• Message class: /SAPAPO/CTM1 -

• Message number: 352

• Message text: Resources can only be checked with in-house prod. sources of supply

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CTM1352 - Resources can only be checked with in-house prod. sources of supply ?

  The SAP error message /SAPAPO/CTM1352 indicates that resources can only be checked with in-house production sources of supply. This error typically arises in the context of the SAP Advanced Planning and Optimization (APO) module, particularly when using the Capable-to-Match (CTM) planning function.
  
  Cause:
  The error occurs when the system attempts to check resources for external sources of supply (like vendors or third-party suppliers) while the configuration or the planning setup only allows for in-house production resources. This can happen due to:
  
  Resource Configuration: The resources in question may be configured to only allow in-house production.
  Planning Settings: The planning settings may restrict the use of external sources for certain materials or products.
  Master Data Issues: The master data for the materials or resources may not be set up correctly, leading to the system not recognizing available external sources.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Resource Configuration:
  
  Go to the resource master data and