How To Fix RSDS228 - Unknown File Extension

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 228

• Message text: Unknown File Extension

What causes this issue?

The file does not end in CSV or XLS.

System Response

The file cannot be identified automatically.

How to fix this error?

Enter the file type or change the file ending.

Procedure for System Administrators

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 RSDS228 - Unknown File Extension ?

  The SAP error message RSDS228 "Unknown File Extension" typically occurs when you are trying to upload a file into SAP Data Services or SAP BW (Business Warehouse) and the system does not recognize the file extension of the uploaded file. This can happen for various reasons, including unsupported file formats or incorrect file naming conventions.
  Causes:
  
  Unsupported File Format: The file you are trying to upload may not be in a format that SAP supports. Commonly supported formats include CSV, TXT, and XLSX.
  Incorrect File Extension: The file may have an incorrect or non-standard file extension that SAP does not recognize.
  File Naming Issues: The file name may contain special characters or spaces that are not allowed.
  Configuration Issues: There may be configuration settings in SAP that restrict certain file types or extensions.
  
  Solutions:
  
  Check File Format: Ensure that the file you are trying to upload is in a supported format. Convert the file to a compatible format if necessary.
  Rename the File: Make sure the file has a standard extension (e.g., .csv, .txt, .xlsx) and does not contain any special characters or spaces.
  Review SAP Documentation: Consult the SAP documentation for the specific version you are using to verify the supported file formats and extensions.
  Check Configuration Settings: If you have access, review the configuration settings in SAP Data Services or BW to ensure that the file types you are trying to upload are allowed.
  Use SAP GUI: If you are using a third-party tool or interface to upload the file, try using the SAP GUI directly to see if the issue persists.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered the same issue and what solutions they found effective.
  Documentation: Review the official SAP documentation for Data Services or BW for guidelines on file uploads and supported formats.
  
  If the problem persists after trying these solutions, consider reaching out to your SAP support team for further assistance.