[HELP] HELP WITH ATTACK SKILL

It could still be using the three-hits targeting option, if you ever changed it? Try copy-and-pasting the skill from an untouched project back into your game.

Do you have any scripts that affect targeting or attacks?

Does your attack page look like this?

Also, I'm not sure if this is related, but is your Attack command skill #1?

What about equipment? Any number of hit bonuses on the weapon, or anywhere else?

You may have a trait on the class or actor in the database which is making them attack more than once.

xD, I find balancing battles in Ace amazing, but the various new scripts they have allow me to pretty much dissect the whole battle system in question which in turn makes me go through every possibility, thus I brain-lock myself.

If you'd gone through nearly everything possible, the only advice I could give you is to start a clean project and convert your things over one by one. I mean, if you haven't even added a single script yet, or even touched one for that matter, maybe RPG Maker is just acting up. Or you may be over-looking something minor like a battle event or something like that.

Dual wield will cause the attack animation to repeat twice. That might be it?

Hmm, send me your project if you can host it. I'll see what's going on in the database if you want.

The "Atk times +1" parameter on the weapon might be exactly what's causing the character to attack three times. Especially if the character is duel-wielding at least one weapon that has this property.

*Edit: The intuitive guess is that a character duel-wielding weapons, both of which have the "Atk times +1" parameter, would be that the character would attack four times. But this is something I would have to research to say with any amount of definitiveness.