Maybe see if you're getting any js errors? Hit F12 in Chrome/Firefox and load the console..
Usually this happens if you have a custom property used with your page type or block type that throws an error.
Yeah as Frederik said I had forgot to add some attributes to some properties on the pages, namely the [Ignore] Attribute to some properties using [JsonIgnore] on the pages/blocks. Thanks!
We are running Episerver 7 using MVC and we have a wierd problem with editing. We are unable to edit certain pages/blocks and I have a hard time figuring out how to debug this without having to reflect internal DLL's. Could this be an issue where we've just forgot to include something in our .cs-files for these pages/blocks? Or could it be a faulty installation of epi7 on the server? It's always the same pagetypes / blocktypes.
Again, the issue is when we press the EDIT-button on the page/block, it just looks like this;
Any advice on debugging-tools is also greatly apprechiated. Thank you!