Please provide infos regarding spinning cog

Hi Yigit, thanks for the response. In referral to thread

I am opening this thread so you can post the necessary infos.

o.k. So I was able to talk to the hoster and modify the security settings. Now I can edit, however the cog is still spinning with older pages, and I cannot edit in the old pages I have. please provide me with a proper solution since this is not appropriate right now. I just tried to do edits on this page: http://mobilerevolution.ch/standorte/mobilerevolution-steffisburg/

however when I add extra content it just deletes everything once I update the page.
when I try to return to the previous revisions it does them, but screw up the formatting. I greatly would appreciate any help.
Whatever you did to fix the mobilerevolution Bubendorf Page before did the trick, however since I am not the starter of this thread I cannot access the code you created to fix the issue, so please tell me how to fix it once and for all. You can send me an email or create a subpage on my website with the proper code. thank you

Update: I noted that the whole Avia Layout Editor is completely gone now! It is not even loading : https://imgur.com/a/uzWV01e