How To Fix FAA_POST004 - FI-AA (new) is not compatible with Lease Accounting Engine (LAE)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 004

• Message text: FI-AA (new) is not compatible with Lease Accounting Engine (LAE)

What causes this issue?

You are using the <LS>Lease Accounting Engine (LAE)</> in your system.
You have configured the Customizing settings and may already have
created assets with the LAE.
However, the LAE is <ZH>not</> compatible with new Asset Accounting
(business function <AB>FIN_AA_PARALLEL_VAL</>).

System Response

It is <ZH>not</> possible to activate new Asset Accounting using the
corresponding Customizing switch (<AB>PARALLEL_VAL</>).

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FAA_POST004 - FI-AA (new) is not compatible with Lease Accounting Engine (LAE) ?

  The SAP error message FAA_POST004 indicates that there is an incompatibility between the Financial Accounting (FI) module, specifically Asset Accounting (FI-AA), and the Lease Accounting Engine (LAE). This error typically arises when there are issues related to the integration of asset accounting with lease accounting functionalities in SAP.
  
  Cause:
  
  
  Configuration Issues: The configuration settings for Asset Accounting and Lease Accounting may not be aligned. This can happen if the system is not properly set up to handle the integration between these two modules.
  Version Compatibility: The version of SAP you are using may not support the integration between FI-AA and LAE, or there may be missing updates or patches.
  Data Inconsistencies: There may be inconsistencies in the data related to assets and leases, such as incorrect asset classes or missing master data.
  Posting Logic: The posting logic for asset transactions may not be compatible with the lease accounting processes, leading to conflicts during posting.
  
  
  Solution:
  
  Check Configuration: