How To Fix AQV323 - Column headers already exist for this line

AQV323 - Overview

• Message type: E = Error

• Message class: AQV - Message texts for SAP Query

• Message number: 323

• Message text: Column headers already exist for this line

What causes this issue?

You tried to provide column headers for a line of your list although
such column headers already exist.

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?

Error message extract from SAP system. Copyright SAP SE.

AQV323 - Details

• The SAP error message AQV323, which states "Column headers already exist for this line," typically occurs in the context of data entry or data import processes, particularly when working with tables or reports in SAP. This error indicates that there is an attempt to create or define column headers that already exist in the specified context, leading to a conflict.
  Causes:
  
  Duplicate Column Headers: The most common cause is that the system is trying to add a column header that has already been defined in the same context (e.g., in a report or a data entry form).
  Data Import Issues: If you are importing data from an external source, the source file may contain duplicate headers.
  Configuration Errors: There may be issues in the configuration of the report or data structure that lead to the same header being defined multiple times.
  User Input Errors: Users may inadvertently attempt to add the same column header multiple