This is a well known issue.
I would be curious, if there is any XBox Player, who can play the game without this Workaround (log in SP, log off, enter MP).
There has been (as it feels) a zillion threads with this issue already.
For Instance:
Thema: Xbox one X - Crash to desktop accessing online game
https://forums.funcom.com/t/xbox-one-x-crash-to-desktop-accessing-online-game/105963