How To Fix NAA309 - Change to bus. vol. data after comparison (check bus. vol. comparison)

NAA309 - Overview

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 309

• Message text: Change to bus. vol. data after comparison (check bus. vol. comparison)

What causes this issue?

A business volume comparison was recorded for the condition record of
arrangement &V1& with condition type &V2& (validity level &V3&, valid
to &V4&).
You changed business volume data (by entering/reversing documents,
etc.) after the business volume comparison had been carried out.

System Response

Settlement accounting is not performed. The business volume comparison
must be checked.
This procedure is in line with the settings for the business volume
comparison type.

How to fix this error?

Please check the business volume comparison and save it again.
You can then carry out settlement accounting for the arrangement.

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.

NAA309 - Details

• The SAP error message NAA309, which states "Change to bus. vol. data after comparison (check bus. vol. comparison)," typically occurs in the context of business volume data processing, particularly in the area of SAP's Controlling (CO) module or related financial applications. This error indicates that there has been a change in the business volume data after a comparison has already been made, which can lead to inconsistencies or errors in reporting and analysis.
  
  Cause:
  
  Data Changes: The most common cause of this error is that the business volume data has been modified after a comparison process was completed. This could happen due to manual updates, batch jobs, or other processes that alter the data.
  Timing Issues: If multiple users or processes are trying to access or modify the same data simultaneously, it can lead to conflicts and this error.
  
  Configuration Issues: Incorrect configuration settings in the business volume reporting or comparison settings can also