Hi Emily!
Thanks for reaching out, however, this forum is for API Developers.
For Eventbrite support questions, it'd be best that you reach out to our Customer Support team: www.eventbrite.com/support/contact-us. Please note: As set up and viewing data thereafter take place in GA, Eventbrite is unable to troubleshoot issues related to cross-domain tracking, but you will find these articles helpful:
Best,
Natalie