How To Fix CNV20200107 - Error message: invalid_type in function module WS_UPLOAD

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 107

• Message text: Error message: invalid_type in function module WS_UPLOAD

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20200107 - Error message: invalid_type in function module WS_UPLOAD ?

  The SAP error message CNV20200107 with the description "invalid_type in function module WS_UPLOAD" typically occurs during data upload processes, particularly when using the function module WS_UPLOAD for file uploads in SAP. This error indicates that there is an issue with the type of data being uploaded, which does not match the expected format or structure.
  Causes:
  
  Incorrect File Format: The file being uploaded may not be in the expected format (e.g., CSV, TXT) or may contain invalid characters.
  Data Type Mismatch: The data types in the file do not match the expected data types in the target SAP fields. For example, trying to upload alphanumeric data into a numeric field.
  File Encoding Issues: The file may be encoded in a format that is not supported by SAP (e.g., UTF-16 instead of UTF-8).
  Missing or Incorrect Field Separator: If the file uses a different delimiter than what is expected (e.g., using semicolons instead of commas), it can lead to parsing errors.
  Incorrect Structure: The structure of the data in the file may not align with the expected structure defined in the upload program.
  
  Solutions:
  
  Check File Format: Ensure that the file is in the correct format and that it adheres to the specifications required by the upload function.
  Validate Data Types: Review the data in the file to ensure that it matches the expected data types for each field in SAP. Convert or modify the data as necessary.
  Adjust File Encoding: Make sure the file is saved with the correct encoding (usually UTF-8) before uploading.
  Verify Field Separators: Check the delimiter used in the file and ensure it matches what the upload function expects.
  Review Structure: Ensure that the structure of the data in the file matches the expected structure in SAP. This includes the number of fields and their order.
  Use SAP Transaction Codes: If applicable, use transaction codes like SE38 or SA38 to run the relevant upload program and check for any additional logs or messages that can provide more context.
  
  Related Information:
  
  Function Module Documentation: Review the documentation for the WS_UPLOAD function module to understand its parameters and expected input formats.
  SAP Notes: Check SAP Notes for any known issues or patches related to the WS_UPLOAD function module or the specific error message.
  Debugging: If you have access to the development environment, consider debugging the upload process to identify the exact point of failure.
  Consult SAP Community: If the issue persists, consider reaching out to the SAP Community or forums for additional insights and support from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV20200107 error in your SAP system.