How To Fix GW077 - File name is invalid

GW077 - Overview

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 077

• Message text: File name is invalid

What causes this issue?

The specified file name is not permitted because it points to a
directory that is outside the valid directory tree or because it con
tains invalid characters.
If only one file name is specified, the file is created in the working
directory of the ABAP application server.
Valid directories are:
<(><<)>DIR_INSTANCE>/work
<(><<)>DIR_INSTANCE>/log
<(><<)>DIR/INSTANCE>/data

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GW077 - File name is invalid ?

  The SAP error message GW077, which states "File name is invalid," typically occurs when there is an issue with the file name or path specified in a file operation, such as when trying to upload or download files in the SAP system. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Invalid Characters: The file name may contain invalid characters that are not allowed in the file system (e.g., special characters, spaces, etc.).
  Path Length: The file path may exceed the maximum length allowed by the operating system or SAP.
  File Name Format: The file name may not conform to the expected format (e.g., missing file extension).
  Access Rights: The user may not have the necessary permissions to access the specified file or directory.
  File System Issues: There may be issues with the underlying file system, such as corruption or unavailability of the directory.
  
  Solutions:
  
  Check File Name: Ensure that the file name does