Hello,

 When I followed step by step this process for create validation Rule, After clicked on verify button then getting me error on page. "An unexpected error occurred while inserting Opportunity records and we couldn't check your work. Make sure Opportunity records can be inserted in this org, and click "Check Challenge" again. If this continues, contact the Trailhead Help team."

How to complete it 

Please Suggest me how to resolve this issue

#Trailhead Challenges