Hi David,
This could be happening for a couple of reasons—no worries though, I’m happy to help and it’s likely a quick fix.
Can you head to Events → Settings → Licenses in your wp-admin, and take a screenshot of the whole page there? Then, share that screenshot here. You can do so by uploading the screenshots to this thread directly—or, if you have issues with that, you can upload to Imgur.com, Flickr.com, CloudUp.com, or any similar image-hosting site; then just share the links to those images here and I’ll take a look.
This will help me diagnose your problem.
Thanks!
George