hi Kentico,In training module: Builders, Implementing an image slideshow widget, after the @Exercise: Implementing slide management@, where it says @Register the widget@.In the code snippet, the cl...

I have followed the documentation of Kentico 12 MVC to use a page builder in my project, but when I go to use in the page tab the preview of my view, the Kentico give me an error. Server Error in '...