It’s not common that you’ll come across an error in Dota 2 quite as annoying as the “Failed to Start game, a Party Member is in another game” error.
This connection-based error is related to an inability to connect with Valve’s Dota 2 coordinator and even occurs when you finish a game and are planning to queue up as a solo player. Here are a couple of fixes you can try to solve this error in Dota 2.
