I'm using Kentico 13.0.142, and am having issues when editing pages. When I go into the admin site and click a page in the pages menu, and the 'Page' tab, none of the styles, scripts or images load...

We have just upgraded to Kentico Hotfix 11.0.49 and are having problems, when loading a CMS page or a library tab, the console will repeatedly output.Failed to load resource: the server responded w...