Hello
1. For event end date, you can edit the event, leave it empty and it won't be displayed
2. For event date, there is no option to hide it. However, you can use this solution
eventbookingdoc.joomservices.com/faqs/ev...ithout-specific-date
3. For ticket, look like ticket is not enabled for that event and it causes the issue. Please edit the event, look at Tickets Settings tab, enable tickets PDF. Then try to register again, the system should generate tickets for that new registration
Tuan