[RMMV] ACTORS AND ENEMIES DEALING/TAKING 0 DAMAGE

I like to use smaller numbers for damage, so I made the base stats for my classes fairly low (5 - 50). Today when testing this out in combat, none of my actors or enemies can deal or take damage to each other.

I did change the damage formula (a.atk / 4 - d.def / 2), but it should be a valid formula. I'll attach screenshots of the classes, skill, weapons and armor for the full picture.

The actors have no traits attached to them. Images hidden just so they don't fill out a page, there's 15 in total.

EDIT: I figured out the issue, / doesn't play well with the formula. I swapped it to * 0.25 instead and that worked just fine.