How do you know that the error wasn’t yours? Why didn’t you try to contact the plugin’s author about this by posting a topic in the plugin’s dedicated sub-forum?
Try reviewing:
http://pippinsplugins.com/how-to-leave-a-good-bad-review/
http://chrislema.com/theres-wrong-way-give-plugin-feedback-wordpress-org/
Dear OriginalAmerifun,
All advanced plugins have limited functionality and in most of cases more restricted, and Form Maker is not an exception. So it is not fair to rate the plugin for this type of restriction.
If you face any type of problem please contact our support team in order to get the solution of the problem. We usually solve all the problems within a day after the first contact.