How To Fix CRM_APO105 - Availability check: ATP check was terminated

CRM_APO105 - Overview

• Message type: E = Error

• Message class: CRM_APO - Dates

• Message number: 105

• Message text: Availability check: ATP check was terminated

What causes this issue?

When calling the ATP System, the RFC Runtime System detected an error.
The RFC connection to the ATP System could not be established or was
terminated.

System Response

The document is marked as incorrect and subsequent processing can only
continue if an ATP check can be carried out successfully. The system
tries to re-establish the connection to the ATP System only if the
transaction is called up once again.

How to fix this error?

You must carry out the ATP check once again as soon as the connection to
the ATP System is re-established. To do this, mark the relevant items
and choose <LS>Availability Check</>.
The connection is also interrupted if a dump takes place in the (SAP)
ATP System. You should therefore check if there was a dump.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

CRM_APO105 - Details

• The SAP error message "CRM_APO105 Availability check: ATP check was terminated" typically occurs during the availability check process in the Advanced Planning and Optimization (APO) module of SAP. This error indicates that the system was unable to complete the Available-to-Promise (ATP) check due to various reasons. Below are some common causes, potential solutions, and related information for this error:
  Causes:
  
  
  Configuration Issues: Incorrect configuration in the APO system or in the integration between SAP ERP and APO can lead to this error.
  Master Data Issues: Missing or incorrect master data (e.g., material master, location master, etc.) can cause the ATP check to fail.
  System Performance: High system load or performance issues can lead to timeouts during the ATP check.
  Missing or Incomplete Data: Required data for the ATP check may be missing or incomplete, such as stock levels, planned orders, or sales orders.
  Authorization Issues: The user executing the ATP check may not have the necessary