Xbox account sign-in issue

When I last entered Minecraft I was half-logged in. It showed me that I was already logged in but my username has not changed. I decided to log out. After logging off, I wanted to log in but It jumped out the question: whether he wants to save his things bought on the market on the board or in the account. When I click any options, it knocks me out of the gameWhen I last entered Minecraft I was half-logged in. It showed me that I was already logged in but my username has not changed. I decided to log out. After logging off, I wanted to log in but It pops out the question: whether he wants to save his things bought on the market on the board or in the account. When I click any options, it knocks me out of the game.