I can not log in to my Microsoft account

Google translation:
I can not log in to a Microsoft account.

It seems like you can log in if you delete Minecraft's save data,

I do not want to erase it.
–
Microsoftアカウントへログインが出来ない。

Minecraftのsave data を消すとログインできる様ですが、

消したく無い。