How To Fix /AIF/LFA_MES128 - File download to client is not supported in batch mode

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIF/LFA_MES -

• Message number: 128

• Message text: File download to client is not supported in batch mode

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /AIF/LFA_MES128 - File download to client is not supported in batch mode ?

  The SAP error message /AIF/LFA_MES128 File download to client is not supported in batch mode typically occurs when you are trying to download a file to the client in a batch processing context. In SAP, batch mode refers to the execution of programs or transactions in the background, where user interaction is not possible. The system does not allow file downloads to the client in this mode because there is no active user session to receive the file.
  Cause:
  
  Batch Processing: The operation is being executed in batch mode (e.g., via a background job), which does not support direct file downloads to the client.
  File Download Mechanism: The method used for downloading files is designed for interactive sessions, not for background processing.
  
  Solution:
  To resolve this issue, consider the following approaches:
  
  
  Run in Dialog Mode: If possible, execute the program or transaction in dialog mode (foreground) instead of batch mode. This allows for file downloads to the client.
  
  
  Use Alternative Methods:
  
  Store Files on Application Server: Instead of downloading the file to the client, you can write the file to the application server's file system. You can then access the file from the server directly.
  Use FTP or SFTP: If you need to transfer files, consider using FTP or SFTP to move files from the application server to the desired location.
  Email the File: If appropriate, you can send the file as an email attachment instead of downloading it.
  
  
  
  Modify the Program Logic: If you have access to the ABAP code, you can modify the logic to handle file downloads differently based on whether the program is running in batch or dialog mode.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or solutions for this error.
  Documentation: Review the SAP documentation for the specific transaction or program you are using to understand its capabilities and limitations regarding file handling.
  Consult with Basis Team: If you are unsure about the best approach, consult with your SAP Basis team for guidance on handling file downloads in your specific environment.
  
  By following these steps, you should be able to address the error and implement a suitable workaround for file handling in your SAP system.