This process will allow you to update ESI if a person just joined the alliance, they caused a stir and left and you want an immediate update, or they're having issues with discord. You can also use this to push a nickname update.
First open the admin console by going to https://nut.whatiswr0ng.com/admin/ or clicking the link
Under authentication, click STATES to pull up the list of states. Not users
Click on Nut Auth Problems
Scroll down to membership and add or remove the character needed.
Scroll to the bottom and save the changes.