How To Fix FAA_POST003 - New Asset Accounting not compatible with Classic Real Estate (RE)

SAP Error Message - Details

• Message type: E = Error

• Message class: FAA_POST - FIAA Posting Messages (Object-Oriented Kernel)

• Message number: 003

• Message text: New Asset Accounting not compatible with Classic Real Estate (RE)

What causes this issue?

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

System Response

It is <ZH>not</> possible to activate the business function <AB>
FIN_AA_PARALLEL_VAL</>.

How to fix this error?

If you want to use the business function <AB>FIN_AA_PARALLEL_VAL</>, you
have to activate the Enterprise Extension 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 EA-FIN (if you have not already done
so).
In Customizing for <LS>Flexible Real Estate Management (RE-FX)</>,
activate the Real Estate Extension. This automatically deactivates
classic Real Estate Management (RE). Make sure that you read the
documentation under <DS:SIMG.REFXV_TIVMIADDON>Activate Real Estate
Extension</>.
Activate the business function <AB>FIN_AA_PARALLEL_VAL</>.

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 FAA_POST003 - New Asset Accounting not compatible with Classic Real Estate (RE) ?

  The SAP error message FAA_POST003 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 post transactions that involve both the New Asset Accounting and Classic RE, which are not designed to work together seamlessly.
  Cause:
  
  Incompatibility: The New Asset Accounting (introduced in SAP S/4HANA) has different data structures and processes compared to the Classic Real Estate Management. This incompatibility can lead to issues when trying to post transactions that involve both systems.
  Configuration Issues: The system may not be properly configured to handle transactions that involve both New Asset Accounting and Classic RE.
  Data Migration: If there has been a migration from Classic to New Asset Accounting, there may be residual data or configurations that are causing conflicts.
  
  Solution:
  
  Review Configuration: Check the configuration settings for both the New Asset Accounting and Classic RE. Ensure that they are set up correctly and that there are no conflicting settings.
  Use Compatible Modules: If you are using New Asset Accounting, consider transitioning fully to the new functionalities of SAP S/4HANA and avoid using Classic RE. This may involve migrating your real estate data to the new RE functionalities available in S/4HANA.
  Transaction Posting: Ensure that transactions are being posted in a manner that is compatible with the New Asset Accounting. Avoid mixing transactions that require both systems.
  Consult Documentation: Refer to SAP documentation for guidance on the transition from Classic RE to New Asset Accounting. This may provide insights into best practices and necessary steps to avoid such errors.
  SAP Notes and Support: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and patches that may resolve known issues.
  Engage SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide more detailed insights based on your specific system configuration and usage.
  
  Related Information:
  
  Migration to S/4HANA: If your organization is in the process of migrating to SAP S/4HANA, it is essential to plan the transition carefully, especially concerning asset accounting and real estate management.
  Training and Documentation: Ensure that your team is trained on the new functionalities and processes associated with New Asset Accounting and any new real estate management features in S/4HANA.
  Testing: Conduct thorough testing in a sandbox environment before making changes in the production system to ensure that all configurations work as expected without causing errors.
  
  By addressing the configuration and compatibility issues, you should be able to resolve the FAA_POST003 error and ensure smooth operation between your asset accounting and real estate management processes.