How To Fix AQ324 - No column headers exist for this line

AQ324 - Overview

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 324

• Message text: No column headers exist for this line

What causes this issue?

You attempted to delete the column headers for a line of your list, but
no column headers exist for this line.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message AQ324 - No column headers exist for this line ?

  The SAP error message AQ324, which states "No column headers exist for this line," typically occurs in the context of data import or export processes, particularly when dealing with file uploads or downloads in SAP systems. This error indicates that the system is unable to find the necessary column headers for the data being processed, which can lead to issues in data mapping and processing.
  Causes:
  
  
  Missing Column Headers: The most common cause is that the data file being uploaded or processed does not contain the required column headers. This can happen if the file is improperly formatted or if the headers were removed or not included during the export process.
  
  
  Incorrect File Format: The file format may not match the expected format by the SAP system. For example, if the system expects a CSV file with headers but receives a plain text file without headers, this error can occur.
  
  
  Data Mapping Issues: If