How To Fix AA120 - Index series & not allowed (Check your entry)

AA120 - Overview

• Message type: E = Error

• Message class: AA - Messages for Asset Accounting

• Message number: 120

• Message text: Index series & not allowed (Check your entry)

What causes this issue?

Index series &V1& has not been defined.

System Response

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

How to fix this error?

You have the following choices:
Use a defined index series (Possible entries F4)
Define an index series using the Customizing functions.
<DS:TRAN.OAV5>Proceed</>

Error message extract from SAP system. Copyright SAP SE.

AA120 - Details

• The SAP error message AA120 ("Index series & not allowed (Check your entry)") typically occurs in the Asset Accounting (FI-AA) module when there is an issue with the index series being used for asset transactions. This error indicates that the index series you are trying to use is not valid or not allowed for the specific asset or transaction you are processing.
  Causes:
  
  Invalid Index Series: The index series you are trying to use may not be defined in the system or may not be allowed for the asset class or transaction type.
  
  Configuration Issues: The configuration settings for the asset class or index series may not be set up correctly in the system.
  Transaction Type Restrictions: Certain transaction types may have restrictions on which index series can be used.
  Data Entry Errors: There may be a simple data entry error where the wrong index series was selected or entered.
  
  Solutions:
  
  
  Check Index Series Configuration:
  
  Go to the