How To Fix 1B025 - Reverse not possible as allocation to comp. code changed for bank area &1

1B025 - Overview

• Message type: E = Error

• Message class: 1B - BKK: General Texts

• Message number: 025

• Message text: Reverse not possible as allocation to comp. code changed for bank area &1

What causes this issue?

A reverse is not possible because in bank area &V1& the assignment to
the company code was changed. The original item was posted in company
code &V2&. Bank area &V1& is now assigned to company code &V3&.

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?

Error message extract from SAP system. Copyright SAP SE.

1B025 - Details

• The SAP error message 1B025 ("Reverse not possible as allocation to comp. code changed for bank area &1") typically occurs in the context of financial transactions, particularly when dealing with bank accounting and the reversal of transactions. This error indicates that there has been a change in the allocation of a bank area to a company code, which affects the ability to reverse a transaction.
  
  Cause:
  
  Change in Configuration: The most common cause of this error is that the configuration for the bank area has been changed after the original transaction was posted. This could involve changes to the assignment of the bank area to a different company code.
  Transaction Posting: The transaction you are trying to reverse may have been posted under a different company code than the one currently assigned to the bank area.
  Data Consistency: The system requires consistency in the data for reversals, and any changes in the configuration can