Sorry for the trouble! Here are some troubleshooting tips you can try:
- Disable or change your VPN and switch to a stronger Wi-fi network
- Swap the NFT view from "List" to "Grid" and swipe up to refresh the NFT feed.
- Fully close and re-open the app within iOS (How to)
- Update your iOS version to the latest possible
For reference, here is a screenshot of a nice and full wallet with a list of NFTs, where a banner of the event and "enter" button shown at the top.