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

SAP Error Message - Details

• 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 set up. This includes checking the integration settings and ensuring that the necessary parameters are aligned.
  Use Compatible Versions: If you are using both New Asset Accounting and classic RE, consider using only one of them or ensure that you are using compatible versions of both modules.
  Review Documentation: Consult SAP documentation for both New Asset Accounting and Real Estate Management to understand the limitations and compatibility issues. SAP Notes and guides can provide insights into how to resolve specific integration issues.
  Data Consistency Check: Perform a data consistency check to ensure that all relevant data is correctly aligned between the two systems. This may involve running specific reports or transactions to identify discrepancies.
  Consult SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide specific guidance based on your system configuration and version.
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that address this specific error message. SAP Notes often contain patches, workarounds, or additional configuration steps that can help resolve the issue.
  Upgrade Considerations: If you are in the process of upgrading from a classic system to S/4HANA, ensure that you follow the recommended upgrade paths and guidelines provided by SAP.
  Training and Documentation: Ensure that your team is trained on the differences between New Asset Accounting and classic RE, as well as best practices for managing assets in the new environment.
  
  By addressing the configuration and compatibility issues, you should be able to resolve the ACC_AA201 error and ensure smooth operation between New Asset Accounting and Real Estate Management.