Hello @youneverknow I am sorry to see you received a ban for a disconnection from the game. This error code is known to us.
If we ever have maintenance, degradation, or outages on our game servers or services, that may affect our player's ability to connect to our games, we will most likely create a temporary notification banner at the time of its event, on our Help website here > https://www.ubisoft.com/en-gb/help
As there is no maintenance ongoing at this time that could have caused this, please try the steps in our troubleshooting guide. These steps should help improve your connection, or help rule at any possible causes of this behaviour > https://www.ubisoft.com/en-gb/help/article/000094617