New installation of concrete is messed up (block popup not working)

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Hey all,

I have 3 website's running on a previous version of concrete and they all work perfectly. Today i have put my next website online with concrete 5.6.2.1 running on it.

The installation was fine and my theme is showing up nicely as i would expect. However when i try to add a block i don't get the same popup as before. It now display's a messed up full screen sort of popup. And even the section that is editable and normally clickable when editing is acting weird. I now have to click on the beginning to enable editing.

Does someone know what's wrong or what i could have done wrong?

the website is to be seen onhttp://ijsbaanheist.be/concrete5/...

 
jochemke replied on at Permalink Best Answer Reply
Found the problem myself. (I've been looking after this for more than a day and finally found the solution.)

It was the part in the header that was wrong. I placed the code below just under the head tag but now i changed it to on top of the closing head tag. It's working fine now.

<?php
Loader::element('header_required');
?>