How To Fix ACC_AA201 - New Asset Accounting is not compatible with classic RE

ACC_AA201 - Overview

• Message type: E = Error

• Message class: ACC_AA - Message Class for Function Group ACC_AA

• Message number: 201

• Message text: New Asset Accounting is not compatible with classic RE

&CAUSE&.
Classic Real Estate Management (RE) is active in your system. However,
this component is <ZH>not</> compatible with new Asset Accounting.
However, the component <LS>Flexible Real Estate Management (RE-FX)</> is
compatible with new Asset Accounting; <LS>Flexible Real Estate
Management</> is part of the Enterprise Extension <LS>EA-FIN</>.

System Response

The migration of Asset Accounting is <ZH>not</> possible.

How to fix this error?

If you want to use new Asset Accounting, you have to activate the
Enterprise Extension <LS>EA-FIN</>, and if applicable, replace classic
Real Estate Management with <LS>Flexible Real Estate Management (RE-FX)
</>. To do so, proceed as follows:
Activate the Enterprise Extension <LS>EA-FIN</> (if you have not already
done so).
Before you activate the Real Estate Extension in Customizing for <LS>
Flexible Real Estate Management (RE-FX)</>, it is essential that you
read the related documentation under <DS:SIMG.REFXV_TIVMIADDON>Activate
Real Estate Extension</>.
Activate the Real Estate Extension; when you do so, classic Real Estate
Management (RE) is automatically deactivated.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message ACC_AA201 - New Asset Accounting is not compatible with classic RE ?

  The SAP error message ACC_AA201 indicates that there is an incompatibility between the New Asset Accounting (FI-AA) and the classic Real Estate Management (RE) module. This error typically arises when there are attempts to integrate or use functionalities from both systems that are not compatible with each other.
  
  Cause:
  
  Incompatibility: The New Asset Accounting (introduced in SAP S/4HANA) has different data structures and processes compared to the classic Asset Accounting and Real Estate Management. This incompatibility can lead to issues when trying to perform transactions that involve both systems.
  
  Configuration Issues: The system may not be properly configured to handle the integration between New Asset Accounting and Real Estate Management.
  Data Migration: If data has been migrated from a classic system to a new system without proper adjustments, it can lead to inconsistencies that trigger this error.
  
  
  Solution:
  
  Check Configuration: Ensure that the configuration settings for both New Asset Accounting and Real Estate Management are correctly