How To Fix FARR_RAI859 - Item &1: error in quantity estimation; quantity unit cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: FARR_RAI - Revenue Accounting Item

• Message number: 859

• Message text: Item &1: error in quantity estimation; quantity unit cannot be changed

What causes this issue?

Changing the quantity unit of a revenue accounting item using BRFplus is
not allowed.
The processable revenue acounting item has quantity unit &V2&.
In BRFplus, quantity unit &V3& is determined.

System Response

It is not possible to process the revenue accounting item.

How to fix this error?

Make sure that the determined quantity unit is the same as the quantity
unit of the processable revenue accounting item.

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 FARR_RAI859 - Item &1: error in quantity estimation; quantity unit cannot be changed ?

  The SAP error message FARR_RAI859 indicates that there is an issue with the quantity estimation for a specific item, where the quantity unit cannot be changed. This error typically arises in the context of asset accounting or related modules where quantities and units of measure are critical for processing transactions.
  Cause:
  
  Inconsistent Unit of Measure: The error often occurs when there is an attempt to change the unit of measure for an asset or item that is not allowed due to existing data or configuration settings.
  Data Entry Errors: Incorrect data entry during the transaction process can lead to this error, especially if the system expects a specific unit of measure.
  Configuration Issues: The configuration settings in the asset accounting module may not allow for changes in the unit of measure for certain items.
  Dependencies on Other Transactions: If there are dependent transactions or postings that have already been made, changing the unit of measure may not be permitted.
  
  Solution:
  
  Check Unit of Measure: Verify the unit of measure for the item in question. Ensure that it is consistent with the expected values in the system.
  Review Configuration: Check the configuration settings in the asset accounting module to see if there are restrictions on changing the unit of measure for the specific item type.
  Correct Data Entry: If the error is due to incorrect data entry, correct the entry and try processing the transaction again.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on handling units of measure in asset accounting.
  Transaction Dependencies: Investigate if there are any dependent transactions that may be causing the restriction. If so, you may need to reverse or adjust those transactions before proceeding.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to asset accounting (e.g., AS01, AS02, etc.) to navigate and check the relevant data.
  User Roles and Permissions: Ensure that the user has the necessary permissions to make changes to the asset or item in question.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.