So, I was working on challenge 7 of this superbadge and got a few different errors on the way I was setting up the dashboard, about the third time I went to check the challenge this error pops up:

Challenge Not yet complete... here's what's wrong: 
There was an unexpected error while verifying this challenge.Usually this is due to some pre-existing configuration or code in the challenge Org. We recommend using a new Developer Edition (DE) to check this challenge. If you're using a new DE and seeing this error, please post to the developer forums and reference error id: PRNNBCCA
Close errors

I've been working on this Superbadge from a brand new playground, not sure if now I need to start all over or if there is some way to convert this to a Developer Edition Org. Any help is appreciated, don't want to have to start all over, but also getting this far and not being able to finish is a bummer.