Changed glass screen and now the screen won't respond correctly at all

My screen was cracked so I changed the glass screen by myself and even got a new main button that functions perfectly well, but now my screen doesn't function properly. Whenever I try to swipe down or sidesways, it'll be completely unresponsive or just really slow, and whenever I try to go on an app or check emails, it'll start freezing and not working properly. The screen just goes all sorts of berserk.