The registration form cannot be used because either a username or email field is required to process registrations. Please edit the form and add at least the email field. https://exonleiden.nl/wp-admin/users.php?page=wpum-registration-forms#/
The registration form cannot be used because either a username or email field is required to process registrations. Please edit the form and add at least the email field. https://exonleiden.nl/wp-admin/users.php?page=wpum-registration-forms#/