Can't add closure to event I created

Hi all,
Just had an event approved at the following link - https://www.waze.com/editor/?env=row&lon=-2.63423&lat=53.54827&layers=25125&zoom=6&mode=1&majorTrafficEvent=234226199.-1953032982.41781&mapProblemFilter=0&mapUpdateRequestFilter=0&venueFilter=2

However, when I add a road closure, the event doesn’t appear in the drop down. I’m in the right area and the closure is in the same time frame. I’m also listed as a contributor for the event.

Any help?

Thanks.