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Code Fix: There is no user-friendly error message provided when the end user tries to upload a file with no file extension


Issue Description

At runtime, when you upload a file to an image or file attachment control and the file has no extension, no user-friendly error message shows.


  1. Ensure you have K2 Five (5.2) installed.
  2. Download the K2 Five (5.2) FP21 from K2 Partner and Customer Portal.
  3. Install the K2 Five (5.2) FP21 to apply the fix.
  4. Refresh the browser cache.