How To Fix CACSBAS410 - Invalid change to settlement item in user exit '&1'

CACSBAS410 - Overview

• Message type: E = Error

• Message class: CACSBAS - Commissions: General Service Messages

• Message number: 410

• Message text: Invalid change to settlement item in user exit '&1'

What causes this issue?

User exit &V1& has returned incorrect settlement items.

System Response

Possible causes are:
New lines have been added.
Lines have been deleted.
Key fields have been changed.
None of the above changes should have been made.
Check which changes have been made in the called user function module
and correct the implemented function module accordingly.

Error message extract from SAP system. Copyright SAP SE.

CACSBAS410 - Details

• The SAP error message CACSBAS410, which states "Invalid change to settlement item in user exit '&1'," typically occurs in the context of settlement processing in SAP, particularly when using user exits to modify or enhance standard functionality.
  
  Cause:
  This error usually arises when there is an attempt to make an invalid change to a settlement item during the execution of a user exit. The user exit referenced by '&1' is a specific point in the code where custom logic can be implemented. The error indicates that the changes being made do not comply with the expected data integrity rules or business logic defined in the SAP system.
  Common causes include:
  
  Attempting to change fields that are not allowed to be modified during the settlement process.
  Inconsistent data being passed to the user exit.
  Logic in the user exit that conflicts with the standard SAP processing rules.
  
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Review User Exit Logic: