How to fix error when connecting to windows vpn serve 2016?

Question

VPN

There is a virtual server (in the domain) with a correctly configured firewall for wan, it has 2 adapters with networks, one is local (without a gateway), the other, respectively, with a van exit and a gateway, the firewall itself and vpn are configured according to the great technical literature of the microsoft site (whether it is not laden)
The shared key is registered in the security settings

The bottom line is that the first time you connect after a reboot, everything is fine, there is a connection
On subsequent connections, it gives errors

First connection:

Second

Subsequent