WP Critical Error or Maintenance Mode

Use WinSCP

Is this website on the first or second server?

In the command prompt: ls -l /sites

A list will populate, showing all sites on that server.

The user name will be in the first column.

Put the user name into user on WinSCP after selecting the correct server.

Then enter: tail /var/log/php-fpm/dancingwiththeking.com-error.log