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vishal gupta 47vishal gupta 47 

Error Message in challenge

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. 

Thanks in advance
Best Answer chosen by vishal gupta 47
NagendraNagendra (Salesforce Developers) 
Hi Vishal,

Usually, you get this error message because there are few constraints to be taken into consideration while completing some challenges in trailhead.

It will be recommended very clearly to use a brand new developer org to finish some particular challenges in trailhead.If you are using a new developer org and still facing the same issue, please let us know with the error id, so that we can generate the case and resolve the issue for you.

Please mark my solution as the best answer if it helps you.

Best Regards,
Nagendra.P