How To Fix XC107 - &1: ATP check not defined for system &2

XC107 - Overview

• Message type: E = Error

• Message class: XC - Message Class for Core Interface

• Message number: 107

• Message text: &1: ATP check not defined for system &2

What causes this issue?

You have specified that the ATP check for the combination &V1& should
take place in system &V2& instead of system &V3& in another model. This
is inconsistent, since the ATP check can only take place in one APO.
The conflicting model is &V4&.

System Response

If you want to activate this or another model, the behavior of the ATP
check is undefined.

How to fix this error?

Deactivate or delete models in such a way that a maximum of one system
is marked as active for the ATP check for the combination &V1&.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message XC107 - &1: ATP check not defined for system &2 ?

  The SAP error message XC107 indicates that an "Available-to-Promise" (ATP) check is not defined for the specified system. This error typically arises in the context of sales order processing, production planning, or inventory management when the system is unable to perform an ATP check due to configuration issues.
  
  Cause:
  
  Missing ATP Check Configuration: The ATP check may not be configured for the specific plant or system in the SAP system.
  Incorrect System Settings: The system settings for ATP checks may not be properly defined or activated.
  Master Data Issues: The material master data may not have the necessary settings for ATP checks.
  Missing or Incorrect ATP Strategy: The ATP strategy may not be assigned to the material or may not be correctly defined.
  
  
  Solution:
  
  
  Check ATP Configuration:
  
  Go to the transaction code SPRO (SAP Reference IMG).
  Navigate to Logistics Execution -> Availability Check -> Define Availability Check.
  Ensure that the ATP check is defined for the relevant plant and material