I recently installed Xenforo and I'm having this issue when I try to login (by clicking login on the page).
https://i.gyazo.com/8bfbf6d5baa30bbd6bd685e2c5c31437.png
When I check the web console I get this error: https://i.gyazo.com/3e852c1cf4309339f366bc803acac5a2.png
I can't figure out why...