Game crashed now can't play

So iv been having crashing issues with this game for about a week now and it's finally fully crashed. Iv uninstalled the game twice to try and solve the problem and I'm in act 3 on normal but I should be in endgame by now but every map crashed about 2-5 times extremely frustrating. But I'm fully locked out now my game i literally stuck on the chimeral wastelands loading screen I crashed fight a boss and now I cant play at all iv spent over £300 on this game a d i can't play can someone from ggg please reply to me and let me know when this will be sorted its been 2 days iv been unable to play. I'm on xbox series x man it's just so frustrating.

Can someone from ggg please let me know wen this will be sorted iv been unable to play for nearly 4 days now.