This could be for several reasons. If an event is “full” (the maximum number of people have already signed up), the RSVP buttons will be disabled when you visit the event page.
See also: What does it mean if the RSVPs are “Closed”?
- RSVPs now open: 9th Annual Abandoned Downtown Houston Photowalk on Christmas Morning - November 27, 2023
- Photography-Related Cyber Monday Deals - November 27, 2023
- Join our Small Group Trip to Photograph Kenya’s Wildlife! - November 20, 2023