One page in the website will not be saved in the cash. So the page is just blank. This happens randomly couple of times every day. The only way to get it back is to republish it. The page is one of 1000 pages. It seems to be the only page that behaves in that way. It is set to be hidden in the navigation, umbracoNaviHide equals true.

What I can see, there isn't anything that is special with this page compared to other pages with the same settings.

Does anyone know a reason for this behavior. Why a page just disapears from cash?