Hi @ben.west, welcome to the Asana Community Forum and sorry for the trouble here! I had a look and I see the issue was solved yesterday, we have posted an update at status.asana.com. If you are still experiencing issues, could you please contact our support team so we can investigate further? You can contact them following the steps in this post: How to contact our Support Team ✉
I hope the issue is solved soon! Let me know if I can help you with anything else!