[Game][Crash] Unable to start new game after disconnect

I had a disconnect during a ranked match ('Attempting to reconnect'). As I was unable to reconnect to the game, I restarted the client, after which it promptly launches the game and tries to reconnect again, unsuccessfuly.

I've noticed, that during this process the game is started in two instances and I would only get the 'failed to reconnect' message from one instance. Closing the 'passive' instance has no effect, but upon closing the 'active' instance, I am returned to the Home screen in the client with no indication, that the game is still ongoing.

I am now unable to start a new game, pressing the 'start game' button has no effect. Restarting the client at this stage will once again try to reconnect me to this previous game and the above cycle is repeated.

Restarting my PC also didn't help.