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Pallavi ChengalvalaPallavi Chengalvala 

I registered with developer track and asked for a change to a administration track but it has yet to be updated. When I was completing the modules it asked me to create developer edition org but when I tried it gives that the email is already in use. What

AnkaiahAnkaiah (Salesforce Developers) 
Hi Pallavi,

Please note that Questions about how to pass Trailhead challenges are not on topic, because these challenges are intended to be independent demonstrations of your abilities.

Trailhead Help (https://trailhead.salesforce.com/en/help?support=home) can provide assistance for situations where Trailhead does not appear to be functioning correctly. You can reach out to them if this is the case.
Please close the thread by selected as Best Answer so that we can keep our community clean

Thanks!