[Zope] Plone: adding an event

I need to get a simple calendar going. I thought it would be easy to install Plone and allow users to create events. It's not. I can add events, but when I try to submit an edit (even the initial one), I get an AttributeError on "form". Any advice? I thought this would work "out of the box." Some guidance would be great. I could really use some hand holding getting started. I'm willing to pay a little for the help. Please let me know if you're interested. Thank you. --kyler