SSL received a record that exceeded the maximum permissible length.
(Error code: ssl_error_rx_record_too_long)
is caused by a misconfiguration of SSL/apache (commonly port settings and VirtualHost settings). In most cases the hosting provider, or server administrator, will need to fix the problem (it is not a WooCommerce issue).
If you don’t need SSL you can alternatively turn off the ‘Force SSL’ setting in WooCommerce > Settings.