Tried it out, but got "Error: could not handle the request" Wish I knew more. I don't think it's the HN Hug of Death™ because I was able to get it to complain

Tried it out, but got "Error: could not handle the request" Wish I knew more. I don't think it's the HN Hug of Death™ because I was able to get it to complain about my malformed JSON earlier (since fixed).