Since this forum is pretty much worthless, I'll contribute what fixed the issue at hand.
I simply found what the change was needed in an XML file.
templates/ja_festival/acm/clients/tmpl/stule-1xml
Originally it was written like below. to choose how many columns you want for the custom module.
<option value="2">2</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
I simply added a 3rd option, and it works as expected.
<option value="3">3</option>