I am unable to rectify the error what I am facing ,Can anybody help me out in this?

Hi @Myadharaboina akhila

 I assume that this issue needs further review and we may need access to your Salesforce org where you are trying to complete the challenge. We will create a case on behalf of you for this issue and reach out to you via email to investigate further.  

Thank you! 

Manish 

Trailblazer Help 

 ++CreateTrailheadCase  ← You can ignore this command, it is a tool used by our Agents to tell the system to create your case.