I faced aproblem while completing a challenge in " Data Management " module of " Admin Trail - Beginner " Trail Head.
The problem is : while completing the import data challenge, I am unable to map th eunmapped fields using the wizard.
In particular I am unable to see the " MAP " field after selecting the desired field. I tried it in both the Chrome and firefox browsers but no use.
Please clarify whether it is browser issue or not.
Anyhow I completed the challenge with a workaround.