This might be fixed in 0.15.4 . Do you know if anybody ran game.remove_offline_players() on that server? If they did, then it should be fixed. If not, then we have a different crash here.

I did not communicate with any admins.

I could play normally again when i went back to the server i played ...

Extra info:
- I have 2 blueprints from an other game allready in 'My Blueprints'.
- Tech in one these blueprints has not been researched yet
- Playing an online muliplayer scenario

I press B and the game crashes.

When i start a game, any game, it crashes as soon as i see my guy standing on the map. When i try to join a public game, it crashes too and when i try to enter the same server again it gives me a network error.
The server i have been playing on earlier today does allow me to connect and is the only ...