In T165822#2324819, @mbamg wrote:

I have never completed a Reforger tutorial session. Had to learn much through multiplayer instead.

In T165822#2325059, @Jata wrote:

I think I figured my problem out. My router is set to block most countries. Reforger must be phoning home to a country on my block list. I'd guess it is Czechia. Using a VPN allowed me to play without a crash.