How To Fix /SMB/RUNTIME_ABAP004 - Invalid filename for file &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SMB/RUNTIME_ABAP -

• Message number: 004

• Message text: Invalid filename for file &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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 /SMB/RUNTIME_ABAP004 - Invalid filename for file &1 ?

  The SAP error message /SMB/RUNTIME_ABAP004 Invalid filename for file &1 typically occurs when there is an issue with the filename being used in an ABAP program or function module. This error can arise in various contexts, such as file uploads, downloads, or when accessing files on the application server.
  Cause:
  
  Invalid Characters: The filename may contain invalid characters that are not allowed in the file system.
  Path Issues: The specified path may not exist, or the filename may not conform to the expected format.
  File Length: The filename may exceed the maximum length allowed by the operating system or SAP.
  Permissions: The user may not have the necessary permissions to access the specified file or directory.
  File System Issues: The underlying file system may have restrictions or issues that prevent the file from being accessed.
  
  Solution:
  
  Check Filename: Ensure that the filename does not contain any invalid characters (e.g., special characters, spaces) and adheres to the naming conventions of the operating system.
  Verify Path: Confirm that the path specified in the filename is correct and that the directory exists on the server.
  Length Check: Ensure that the filename does not exceed the maximum length allowed by the operating system (typically 255 characters).
  Permissions: Check the permissions of the directory and file to ensure that the user executing the program has the necessary access rights.
  Test with Simple Filenames: Try using a simple filename (e.g., test.txt) to see if the error persists. This can help isolate the issue.
  Review ABAP Code: If you are developing or maintaining ABAP code, review the code to ensure that the filename is being constructed correctly and that it is being passed to the appropriate function modules or methods.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to the SAP documentation for guidelines on file handling in ABAP, including naming conventions and file system access.
  Transaction Codes: Use transaction codes like AL11 to check the directories on the application server and verify the existence of the specified path.
  Debugging: If you have access to the ABAP debugger, you can set breakpoints to inspect the values being passed to the file handling functions.
  
  By following these steps, you should be able to identify and resolve the issue causing the /SMB/RUNTIME_ABAP004 Invalid filename for file &1 error in SAP.