Perhaps incorrect server configuration or a configuration file, causing all traffic is wrapped in the tunnel, and on the server prohibited access to Internet for VPN clients (which is logical).
Show the routing table while connected to a VPN.
rickey8 answered on April 19th 20 at 12:24
I have the same problem. I connect, waiting to connect, disconnects and connects again. Then it is working.
Moreover, this amazing thing on the Mac. When connecting from a computer with Windows, everything works on the first try.