We are getting the error (see attachments) in any way we try to ban a person. The steps to reproduce the error are:
User -> List all Users -> Select the user -> Actions -> Permanent ban
What could it be?
I have a website that has xenforo as subdirectory.
I have recently put https with Let's encrypt (I have enabled it server-side with cPanel). People were able to access the website with http:// and they had problems because they were able to stay logged in with https:// but if they typed...