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Ben Lee 41Ben Lee 41 

"unexpected error" on a superbadge KSDJVGLC

I got an "unexpected error" on a superbadge, and it said to post here with the error ID, which was KSDJVGLC. I'm not sure what info I'm allowed to share/receive, but I'm using a new DE. Can I get some help with this?
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: KSDJVGLC
Thanks for any help you're allowed to provide!
VinayVinay (Salesforce Developers) 
Hi,

Try in new playground org if you still see issues kindly reach out to trailhead support team and they can assist you.

https://trailhead.salesforce.com/help

Kindly let me know if it helps you and close your query by marking it as solved so that it can help others in the future.

Thanks,
Anonymous DeveloperAnonymous Developer
I had the same type of problem before the problem is the playground you just need to create a new one there won't be any by then.