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

SAP Error Message - Details

• 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 type.
  
  
  
  Verify Material Master Settings:
  
  Use transaction code MM03 to display the material master.
  Check the Sales Organization Data and Plant Data views to ensure that the ATP check is enabled.
  
  
  
  Check ATP Strategy:
  
  Ensure that the correct ATP strategy is assigned to the material.
  You can check this in the material master under the MRP 2 view.
  
  
  
  Review System Settings:
  
  Ensure that the system settings for ATP checks are correctly configured in the relevant customizing settings.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test ATP check to ensure that the error is resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SPRO: Access to the SAP Reference IMG for configuration.
  MM03: Display Material Master.
  MD04: Stock/Requirements List to check stock levels and availability.
  
  
  
  Documentation: Refer to SAP Help documentation for detailed guidance on ATP checks and configuration.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to ATP checks and this error message.
  
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or functional team for further investigation, as there may be underlying system issues or additional configurations required.