How To Fix ARS_CMP_ATC001 - Changes in &3 for &4 in comparison with release &1, by component &2:

SAP Error Message - Details

• Message type: E = Error

• Message class: ARS_CMP_ATC - API Release: Compatibility Checks – ATC Messages

• Message number: 001

• Message text: Changes in &3 for &4 in comparison with release &1, by component &2:

What causes this issue?

Checks implemented by application component &V2& detected incompatible
changes for API &V3& in comparison with release &V1&.

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?

Undo these incompatible changes by restoring the affected part of the
API in the way it was previously shipped to the customer.
<ZH>Note</>: If the checked development object is a package, the check
messages refer to objects which were formerly contained in this package,
but were deleted although they have been released as APIs.
In case of questions regarding the detected incompatible changes, please
contact application component &V2&.
Example
An element was removed from the projection list of a released CDS view.
If this element is used in a customer-specific CDS view based on the
released CDS view, this would cause ABAP dictionary activation errors
during the upgrade of the customer system.
<ZK>Check message</>: Element <ElementName> was removed.
<ZK>Remedy</>: Add this element to the projection list again, using the
same data type as before.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.