Unauthorized error when changing the username

I have a typo in my user name, I tried to change it but it told me I was not authorized.

How to fix my user name?

Greetings and thank you for your message.

Please try to log out, and then log back in. This should fix the permission, and you will be able to update the username. 

You can click here for additional information.

Please let us know if this resolved your problem.