SKINNY BLUE BOX/FOCUS HIGHLIGHT IS BUGGY

Whenever I try to type text or manually change type in a number in an effect, After Effects does not seem to take the input. Rather it just flashes the blue skinny box highlighter thing. What is causing this problem? Whenever I hold down on my clicker the box is clearly there, but it doesn't do the usual thing where I just click on a section once and the box stays there. At first I thought it was just a small meaningless thing but it's preventing me from typing text and I need some help.