wpworker

Hello i have wordpress 5.7 and php7.3 an updatest to the new version…
in the admin-panell is just a blank site in dashboard and settings.
whats wrong?
after i load the old version 7.5 again and said fatal error of the website
than also update to wordpress 5.8 is the same.
maybee some ideas?
Thanks

Thanks for help…i follow…but theres not work special in the /account page for members.