How To Fix /LTB/TR_BAS028 - File extension &1 not supported for download/upload

SAP Error Message - Details

• Message type: E = Error

• Message class: /LTB/TR_BAS -

• Message number: 028

• Message text: File extension &1 not supported for download/upload

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /LTB/TR_BAS028 - File extension &1 not supported for download/upload ?

  The SAP error message /LTB/TR_BAS028 File extension &1 not supported for download/upload typically indicates that the file type you are trying to upload or download is not supported by the SAP system. This can happen in various contexts, such as when using transaction codes that involve file handling, like data uploads or downloads.
  Cause:
  
  Unsupported File Type: The file you are trying to upload or download has an extension that is not recognized or allowed by the SAP system.
  Configuration Settings: The system may have specific configurations that restrict certain file types for security or compatibility reasons.
  User Permissions: The user may not have the necessary permissions to upload or download certain file types.
  
  Solution:
  
  
  Check File Extension: Ensure that the file you are trying to upload/download has a supported extension. Commonly supported formats include .txt, .csv, .xls, etc. If your file has a different extension, consider converting it to a supported format.
  
  
  Consult Documentation: Refer to the SAP documentation or help files related to the specific transaction you are using to see the list of supported file types.
  
  
  Configuration Review: If you have access, check the configuration settings in the SAP system to see if there are restrictions on file types. This may require assistance from your SAP Basis or security team.
  
  
  User Permissions: Verify that your user role has the necessary permissions to upload or download files. If not, contact your SAP administrator to adjust your permissions.
  
  
  Use Alternative Methods: If the file type is not supported, consider using alternative methods to transfer the data, such as using a different file format or utilizing SAP's data transfer tools like LSMW (Legacy System Migration Workbench) or BAPIs (Business Application Programming Interfaces).
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to file handling in your specific version of SAP.
  Transaction Codes: Familiarize yourself with the transaction codes you are using for file uploads/downloads, as different transactions may have different file type restrictions.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP support team for further assistance.