Kiriko Ability 1 (Swift Step) not working

I’ve tried changing the key swift step is linked to from Shift to a different key, but it still won’t work regardless of the key. I’ve linked Ability 1 to a side button on my gaming mouse and it still won’t work. The abilities linked to the same key or button work for activating Ability 1 on my other characters though. I’d love to try and learn her as I am a support main, but shadow step is a major part of her kit.