Registration fails to complete.

I've installed and configured Events Booking. Everything looks pretty good, but when attempting to register I'm running into an error.

It's as if the form is unable to post... the page reloads, I get an error box requesting all of the required fields (they were all filled correctly) and the form is not repopulated with the values from the failed attempts.

Logged in users can complete the registration successfully. I have tried with and without captcha, swapping various config parameters on and off, but no joy.

You can see the test event I've set up here:
www.vandyckfirm.com/test-event/

Any assistance would be greatly appreciated.

Thank you!

Hello Jesse

There might be some conflict with something on your site causing this error. Please access to Support Tickets menu item on our website, submit a support ticket sending us:

- Super admin account of the site
- Link to this page

We are going to check to see what's wrong and get it sorted

Tuan