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Danielle de BruijnDanielle de Bruijn 

App customization specialist Superbadge #2

Hi all,
I am stuck on the Superbadge of App customization specialist #2. I get error:

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: UFKFTJBE

I have created a new trailhead playground for it. Checked all the other questions on this forum and corrected my mistakes. Now, still stuck on this error.. Any help?
NagendraNagendra (Salesforce Developers) 
Hi Danielle,

Sorry for this issue you are facing.

For "IsShiftVolunteer" in Volunteer Shift Worker Object, Create it as Formula and not a checkbox with formula:   $User.Id == Volunteer__r.Id.
User-added image
Check below link and follow all steps. and check your return type for isShiftVolunteer formula field. It must be a Checkbox. And you get that error because you made mistake on previous fields, so go to the below link and check all fields and DataTypes of that fields. Still, if the problem persists may I request you please confirm if you are using a brand new developer org in order to validate this challenge, if not then I would suggest you create a brand new org and give a try which should probably do the trick.

If you are using a brand new developer org then please double check that your org doesn't have a namespace enabled. If that doesn't help please give a try by restarting the batch.

If the problem continues,  log out of all accounts and log in once again in a different browser by clearing the cache and cookies which should probably do the trick.

Please let us know if any further help is needed.

Kindly mark this as solved if the reply was helpful.

Thanks,
Nagendra