I’m running the latest version and everything was fine till a few days ago. I don’t know where to start looking for what is wrong. I put it for now in maintenance-mode but in the screenshot you can see what happend.
url: wwww.bolsterenpit.nl
Cornerstone (I don’t use): 1.0.6
WordPress: 4.5.3
X-Theme: 4.6.0 > using Child-theme: 1.0.0 > Integrity light
if you need more info I will send you login in pm.