How To Fix AB406 - The transfer file cannot be written to - Error in file system?

SAP Error Message - Details

• Message type: E = Error

• Message class: AB -

• Message number: 406

• Message text: The transfer file cannot be written to - Error in file system?

What causes this issue?

The transfer file cannot be written to. The cause could be an
error in the file system.

System Response

The function call was terminated.

How to fix this error?

Inform your system specialist.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AB406 - The transfer file cannot be written to - Error in file system? ?

  The SAP error message AB406, which states "The transfer file cannot be written to - Error in file system," typically indicates that there is an issue with the file system where SAP is trying to write a transfer file. This can occur in various scenarios, such as during data exports, file uploads, or when generating output files.
  Causes:
  
  Insufficient Permissions: The user or the SAP application may not have the necessary permissions to write to the specified directory or file.
  Disk Space Issues: The disk where the file is being written may be full, preventing any new files from being created.
  File System Errors: There may be underlying issues with the file system itself, such as corruption or misconfiguration.
  Path Issues: The specified path for the transfer file may be incorrect or may not exist.
  Network Issues: If the file is being written to a network location, there may be connectivity issues or the network share may be unavailable.
  
  Solutions:
  
  Check Permissions: Ensure that the user account running the SAP application has the necessary write permissions for the target directory.
  Free Up Disk Space: Check the available disk space on the server and free up space if necessary.
  Verify File System Health: Run file system checks to ensure there are no errors or corruption. This may involve using tools like chkdsk on Windows or fsck on Unix/Linux systems.
  Check File Path: Verify that the path specified for the transfer file is correct and that the directory exists.
  Network Connectivity: If applicable, check the network connection to ensure that the network share is accessible and functioning properly.
  SAP Notes: Check for any relevant SAP Notes or updates that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for more details on file handling and error messages.
  Transaction Codes: Use transaction codes like AL11 to check the directories and files in the SAP system.
  System Logs: Review system logs (transaction SM21) for any additional error messages or warnings that may provide more context.
  Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it appears to be a bug or a more complex issue.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the AB406 error message in your SAP system.