The marketplace doesnt work

​Install a minecraft beta 1.21. 90.26 And when I tried to customize my appearance it didn't load me, it just selected a character from the list but it didn't let me edit it and when I entered the marketplace it told me that it didn’tAnd when I tried to customize my look it didn't load me, it just selected a character from the list but it wouldn't let me edit it and when I entered the marketplace it told me that it couldn't be connected what I should try later so if I could solve it please