How To Fix CRM_APO101 - Availability check: No valid ATP system release specified in customizing

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_APO - Dates

• Message number: 101

• Message text: Availability check: No valid ATP system release specified in customizing

What causes this issue?

A valid release for the ATP system must be specified in Customizing. For
more information, see the Implementation Guide (IMG) under <LS>Customer
Relationship Management -> CRM Middleware and Related Components ->
Communication Setup -> Middleware Parameters</>.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Make the respective corrections in Customizing.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_APO101 - Availability check: No valid ATP system release specified in customizing ?

  The SAP error message CRM_APO101 indicates that there is an issue with the availability check configuration in the SAP system, specifically related to the Advanced Planning and Optimization (APO) system. The message states that there is "No valid ATP system release specified in customizing," which means that the system is unable to find a valid configuration for the Available-to-Promise (ATP) check.
  
  Cause:
  
  Missing Configuration: The ATP system release may not be configured correctly in the customizing settings. This can happen if the integration between SAP CRM and SAP APO is not set up properly.
  Incorrect Settings: The settings for the ATP check may be incorrect or incomplete, leading to the system being unable to determine which ATP system to use.
  Transport Issues: If the configuration was recently transported from another system, there may have been issues during the transport process that resulted in missing or incorrect settings.
  Version Compatibility: There may be compatibility issues between