How To Fix ACC_AA120 - Transaction cannot be executed, switch for FI-AA (new) is not active

ACC_AA120 - Overview

• Message type: E = Error

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

• Message number: 120

• Message text: Transaction cannot be executed, switch for FI-AA (new) is not active

What causes this issue?

The Customizing switch for new Asset Accounting (<AB>PARALLEL_VAL</>)
has the status <LS>Not Active</>.
Transaction <AB>AO90_ACI</> is a Customizing view for maintaining the
technical clearing account for integrated asset acquisitions. This
transaction can only be used in new Asset Accounting. For you to be able
to use this transaction, the Customizing switch <AB>PARALLEL_VAL</> must
have the status <LS>In Preparation</> or <LS>Active</>.

System Response

Transaction <AB>AO90_ACI</> <ZH>cannot</> be executed.

How to fix this error?

If you want to use new Asset Accounting, certain prerequisites have to
be met. These include the following:
You have activated business function <LS>FI-AA, Parallel Valuation</> (
<AB>FIN_AA_PARALLEL_VAL</>) in the system.
Before you begin with the Customizing settings for new Asset Accounting
(which includes transaction <AB>AO90_ACI</>), you have to set the
Customizing switch for new Asset Accounting (<AB>PARALLEL_VAL</>) to
<LS>In Preparation</>.
For more information, see Customizing for <LS>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 ACC_AA120 - Transaction cannot be executed, switch for FI-AA (new) is not active ?

  The SAP error message ACC_AA120 indicates that the transaction you are trying to execute cannot be processed because the switch for the FI-AA (Financial Accounting - Asset Accounting) module in the new General Ledger (G/L) is not active. This typically occurs when the system is configured to use the new Asset Accounting functionality, but the necessary settings or switches have not been activated.
  
  Cause:
  
  Inactive Switch: The switch for the new Asset Accounting (FI-AA) is not activated in the system.
  
  Configuration Issues: The system may not be properly configured to use the new Asset Accounting features.
  Legacy System: The system might still be using the old Asset Accounting configuration, which is incompatible with certain transactions or functionalities.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Activate the Switch:
  
  Go to the transaction code SCPR20 (Switch Framework).
  Check if the switch for the new Asset Accounting (FI-AA) is active. If it is not, you will need to activate