Hello Lavanya, Hope that your day is off to an amazing start. We see that you're using your own personal dev org to complete the challenge. Best practice is to use a trailhead playground as it's already configured for trailhead. We recommend creating a new trailhead playground, doing the work there, and checking your challenges with it. Hope this helps and may God bless you abundantly. Best Regards, Anthony McDougald
Hope that your day is off to an amazing start. We see that you're using your own personal dev org to complete the challenge. Best practice is to use a trailhead playground as it's already configured for trailhead. We recommend creating a new trailhead playground, doing the work there, and checking your challenges with it. Hope this helps and may God bless you abundantly.
Best Regards,
Anthony McDougald