How To Fix AC805 - Function &1 is no longer supported; see long text

AC805 - Overview

• Message type: E = Error

• Message class: AC - Error messages from Asset Customizing

• Message number: 805

• Message text: Function &1 is no longer supported; see long text

What causes this issue?

You want to use a function of Asset Accounting.
However, new Asset Accounting is active or in preparation in this
client:
o,,The business function <LS>FI-AA, Parallel Valuation</> (<AB>
FIN_AA_PARALLEL_VAL</>) was activated in the system.
o,,In this client, the Customizing switch for new Asset Accounting (<AB>
PARALLEL_VAL</>) has the status <LS>In Preparation</> or <LS>Active</>.

System Response

Once this Customizing switch has the status <LS>In Preparation</> or
<LS>Active</>, then certain functions of Asset Accounting are <LS>no
longer</> supported. The function &V1& that you selected is one of
these.

How to fix this error?

For more information, see Customizing for new Asset Accounting under
<DS:SIMG.T093BSN_PV01_DC>Prepare New Asset Accounting</>.

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 AC805 - Function &1 is no longer supported; see long text ?

  The SAP error message AC805 indicates that a specific function or feature is no longer supported in the current version of the SAP system you are using. This can occur due to various reasons, such as system upgrades, changes in functionality, or deprecation of certain features.
  
  Cause:
  
  Deprecated Functionality: The function you are trying to use has been deprecated in the newer version of SAP.
  System Upgrade: After an upgrade, certain functions may no longer be available or supported.
  Configuration Changes: Changes in system configuration or settings may lead to the unavailability of certain functions.
  
  
  Solution:
  
  Check Documentation: Review the SAP documentation or release notes for the version you are using to understand which functions have been deprecated and what alternatives are available.
  Use Alternative Functions: Identify and use alternative functions or methods that provide similar functionality. This may involve modifying your code or processes to align with the new standards.
  Consult SAP Support: If you are unsure