Hiya,
Getting this error on all traffic destined to a remote site (site-to-site VPN) from my machine. Local traffic, as in from my machine to LAN and internet is fine. If I drop the S2S VPN and re-establish it, all is fine.
The Internal network object has my local range (10.0.0.0/23) and the remote site network object has its range (10.0.2.0/23) and its VPN range (11.0.2.0/23).
I should add that this is happening at least once, sometimes twice a week, with the same fix of recycling the S2S VPN connection.