How To Fix CNV20200106 - Error message: file_read_error in function module WS_UPLOAD

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 106

• Message text: Error message: file_read_error in function module WS_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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20200106 - Error message: file_read_error in function module WS_UPLOAD ?

  The SAP error message CNV20200106: file_read_error in function module WS_UPLOAD typically occurs when there is an issue with reading a file during a data upload process. This error is often associated with the use of the WS_UPLOAD function module, which is used to upload files from the application server or the presentation server to the SAP system.
  Causes:
  
  File Path Issues: The specified file path may be incorrect or the file may not exist at the specified location.
  File Permissions: The user may not have the necessary permissions to read the file.
  File Format: The file format may not be compatible with the expected input format for the upload process.
  File Size: The file may be too large, exceeding the limits set in the SAP system.
  Network Issues: If the file is being accessed over a network, there may be connectivity issues.
  Temporary Files: If the file is being uploaded from a temporary location, it may have been deleted or moved.
  
  Solutions:
  
  Verify File Path: Check the file path specified in the upload process to ensure it is correct and that the file exists.
  Check Permissions: Ensure that the user executing the upload has the necessary permissions to access and read the file.
  Validate File Format: Confirm that the file format is compatible with the upload requirements. If necessary, convert the file to the required format.
  Check File Size: If the file is too large, consider splitting it into smaller files or adjusting the system settings to allow larger uploads.
  Network Connectivity: If applicable, check the network connection to ensure that there are no issues accessing the file.
  Use Transaction Codes: If you are using a specific transaction code for the upload, ensure that it is configured correctly and that all required fields are filled out.
  
  Related Information:
  
  Function Module Documentation: Review the documentation for the WS_UPLOAD function module to understand its parameters and expected behavior.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to file uploads, such as CG3Z (Upload file from presentation server) or CG3Y (Download file to presentation server).
  Debugging: If you have access to debugging tools, consider debugging the upload process to identify the exact point of failure.
  
  If the issue persists after trying the above solutions, it may be helpful to consult with your SAP Basis team or SAP support for further assistance.