Firefox 61 breaks site?

When I updated to Firefox 61 I could no longer get onto the site. I tried Chrome and it isn’t the site Here is the msg:

Secure Connection Failed

An error occurred during a connection to wordpress-1455783-5472776.cloudwaysapps.com. SSL received a record that exceeded the maximum permissible length. Error code: SSL_ERROR_RX_RECORD_TOO_LONG

  The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.

  Please contact the website owners to inform them of this problem.