everybody!
I’ve a problem: when I log-in the dashboard I can see only the live version of my website and nothing more, as you can see in the screenshot below. How can I resolve?

Additional notes: I’ve installed and configurated wordpress via ftp and I’ve added the admin user via phpmyadmin.
This is the second wp I’ve installed in the same database (the main is “website.com” while this is “blog.website.come”). To do so I’ve changed the table prefix, making it different from the prefix of the main site (wp_).