Sorry that happened @CaptainBuckles this should be more or less a visual issue (other than the crashing obviously!), the rewards are given on the server before the graphics appear so you shouldn’t be missing anything. I’m happy to check your logs and let you know what you got from it if you send me your invite code.
Which device model are you playing on?
Is this the first time this has happened or has it happened more than once when opening an Orb of Chaos?
I would try these troubleshooting steps to see if it helps the game run smoother: