Strange Behavior with themes

Hi, I’m running Ghost on my own server :

I have a very strange behavior with posts, when I go into a post, the home button has the link of the post.
In the main page, I don’t have any menu or title.

Currently, Attila theme is loaded and I’ve the same behavior with :

I’m running the last version of Ghost (upgraded today), on Ubuntu Server 18.04 with Firefox. No error in the console.

Thank you !

I re-installed everything and now, this problem is gone. I’m encountering another one, I’ll open a thread for this.