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Code Fix: Unable to upload files to SharePoint Online using the PUT method

  • September 7, 2026
  • 0 replies
  • 10 views

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Issue Description

When you use the PUT method to upload files to SharePoint Online, PDF files are uploaded and displayed correctly. However, other file types appear to be saved but are corrupted and cannot be viewed.

When you change the method from PUT to POST, an error occurs.

Error Message:

The following error occurs:

“404 {"error":{"code":"itemNotFound","message":"The resource could not be found."”

Resolution

The fix is available in:

  1. Ensure you have the correct K2 version and/or Cumulative update installed. See KB001893 to see what Fix Pack level you have installed.
  2. Download the latest Fix Pack using the links in the table above for the version you require.
  3. Install the Fix Pack to apply the fix.
  4. It is recommended to clear browser cache and refresh the page.