Invite accept/reject buttons do nothing?

I'm new to a lot of this please bear with me. When clicking on either accept/reject button, they disappear and nothing happens. Clicking the icons does nothing. The realm owner said that he couldn't send me an invite and got an error. It eventually said it went through, but I'm still getting the issue. Realm owner also reports that removing me off of the realms list doesn't work and he can no longer close the realm or make changes to it.