Unable to use weapon

So, i was fighting a lad (Shomi THE BITE OF 87, if anyone wants to watch it in my replays. If that’s possible) and i had a move with which i could potentially finish him, but i would press it and nothing would happen. I could only move ot use that weapon, and i kept pressing the weapon and nothing would happen. Is that a bug?

Nvm. I figured out whats wrong