How To Fix KE857 - Only enter a file name for mode "5"

SAP Error Message - Details

• Message type: E = Error

• Message class: KE -

• Message number: 857

• Message text: Only enter a file name for mode "5"

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 KE857 - Only enter a file name for mode "5" ?

  The SAP error message KE857 ("Only enter a file name for mode '5'") typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with the transfer of data to or from external files. This error is related to the use of the "File" mode in the transaction or report you are executing.
  Cause:
  The error arises when the system expects a specific input format for the file name, particularly when the mode is set to "5" (which usually indicates a file upload or download operation). The error suggests that the system is expecting only a file name without any additional path or parameters, and if the input does not conform to this expectation, the error is triggered.
  Solution:
  To resolve the KE857 error, follow these steps:
  
  
  Check Input Format: Ensure that you are entering only the file name without any directory path or additional parameters. For example, if you are trying to upload a file named "data.txt", you should only enter "data.txt" and not something like "C:\files\data.txt".
  
  
  Verify Mode Setting: Confirm that the mode is correctly set to "5" for the operation you are trying to perform. If you are not sure about the mode settings, refer to the documentation or help section of the specific transaction you are using.
  
  
  Consult Documentation: Review the SAP documentation or help files related to the specific transaction or report you are using. This can provide insights into the expected input formats and any additional requirements.
  
  
  Check User Authorizations: Ensure that you have the necessary authorizations to perform file operations in SAP. Lack of proper permissions can sometimes lead to unexpected errors.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting the SAP community forums for further assistance.
  
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to CO, such as KEB1 (Transfer of Data to CO) or similar.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engaging with the SAP Community can provide insights from other users who may have encountered and resolved similar issues.
  
  By following these steps, you should be able to resolve the KE857 error and successfully complete your file operation in SAP.