I made a new character (Warlock) and got a mount. I attached the mount and when I try to ride (auto keybind 7) the mount appears and I immediately get knocked off. I tried to use the mount again. Same result.
I moved locations. Used mount. Auto-knocked off.
Asked in Zone chat. Changed Keybindings to several different things. Auto-knock off.
All my old characters have their mounts working perfectly.
Tried to buy a new mount and use the new mount. Still get auto-knocked off.
All my characters (made 2017) can use their mounts, like normal, except my new warlock (made 2021).
Made a whole new account- new character can use mount no problem. Going to buy new character slots and try out mounts.