Can't find Upgrade Discourse button after last upgrade

Noting is working, I have removed all the plugins except docker manager and rebuild discourse and I log in for a while then it happens again, when I click on “Admin” I get this message “Oops! That page doesn’t exist or is private.”

I have created a new user with Admin privileges and for some reason I am getting two headers, and the page is hanging.

I think I have to format the server and install docker and discourse again.