i had this problem too, but then i realized i changed my version of minecraft and when i did that, my account was not on that version and i was know as, "unknown" so i had to add a new account at the minecraft launcher, and log in to my real account.
lena callaerts
i had this problem too, but then i realized i changed my version of minecraft and when i did that, my account was not on that version and i was know as, "unknown" so i had to add a new account at the minecraft launcher, and log in to my real account.