How To Fix NAA502 - Settlement (run) indexes contain inconsistent data (internal error)

NAA502 - Overview

• Message type: E = Error

• Message class: NAA - Subsequent settlement (Purchasing)

• Message number: 502

• Message text: Settlement (run) indexes contain inconsistent data (internal error)

What causes this issue?

An internal error occurred. An entry exists for arrangement &V2& in the
settlement document index (EBOX), but not in the settlement run index
(EBAB). This error should not occur and is probably due to a program
error.

System Response

The requested function is terminated.

How to fix this error?

Contact your system administrator.

Procedure for System Administrators

Contact SAP.

Error message extract from SAP system. Copyright SAP SE.

NAA502 - Details

• The SAP error message NAA502 indicates that there is an inconsistency in the settlement run indexes, which can occur during the execution of settlement processes in SAP. This error typically arises when the system detects that the data in the settlement indexes does not match the expected structure or values, leading to an internal error.
  Causes:
  
  Data Corruption: The settlement index tables may have become corrupted due to system issues, incomplete transactions, or improper data handling.
  Inconsistent Data: There may be inconsistencies in the data related to the settlement run, such as missing or incorrect entries in the relevant tables.
  
  Configuration Issues: Incorrect configuration settings in the settlement process can lead to mismatches in the expected data.
  System Bugs: There may be bugs in the SAP system or specific patches that have not been applied, leading to unexpected behavior.
  
  Solutions:
  
  
  Check for Data Consistency:
  
  Use transaction codes like SE11 to check the structure of the relevant tables (e.g.,