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K2 Worklist webpart cannot be displayed on a SharePoint site

This article was created in response to a support issue logged with K2. The content may include typographical errors and may be revised at any time without notice. This article is not considered official documentation for K2 software and is provided "as is" with no warranties.


The K2 Worklist webpart cannot be displayed on the SharePoint Site and the following error message is displayed:

"This content cannot be displayed in a frame."



The error only appears when the site is opened on Internet Explorer. The same site is able to display the K2 Worklist when opened on other browsers.

Troubleshooting Steps

This is only applicable to SharePoint Online.
Add the following under Trusted Sites on Internet Explorer:
  1. https://login.microsoftonline.com
  2. https://*.sharepoint.com
  3. https://*.windows.net

If the sites have already been added yet the error persists, please try the following:

  1. Logout from the SharePoint site.
  2. Clear the browser cache.
  3. Close the browser.
  4. Re-open the site to confirm if the K2 Worklist loads.