Issue Description

Uploading a file without an extension at runtime to an image or file attachment control does not present a user-friendly error message.

Resolution

  1. Ensure you have K2 Five (5.0) installed.
  2. Download and Install the K2 Five (5.0) September 2018 Cumulative Update from K2 Partner and Customer Portal.
  3. Download the K2 Five (5.0) September 2018 Cumulative Update FP11 from K2 Partner and Customer Portal.
  4. Install the K2 Five (5.0) September 2018 Cumulative Update FP11 to apply the fix.
  5. It is recommended to refresh the browser cache.