Superbadge User Authentication Troubleshooting Superbadge Unit - Challenge 1

I can't complete challenge 1 of this superbadge

https://trailhead.salesforce.com/content/learn/superbadges/superbadge-user-authentication-troubleshooting

1. I connected Sally Wu user to Salesforce Authenticator app

2. Login as Sally Wu succesfully by using Salesforce Authenticator app

3. When I check the challenge, I'm still getting this message:

"We can't see that Sally Wu has successfully connected to your org with the Salesforce Authenticator app."

#Trailhead Challenges