Call to undefined method

When user clicks 'submit registration', they see the attached error. The registrations appear to be successful and users receive a confirmation email.

TIA,
Tom

Hi Tom

There must be something special on your site causing this error. Please submit a support ticket sending us:

- Super admin account of the site
- Link to the page which we can register for the event and see this error

We will check to see what's causing the issue and get it sorted

Regards,

Tuan