Getting the following command when creating a scratch org, set it as your default, and give it an alias:

Command: 

sfdx force:org:create -s -f config/project-scratch-def.json -a dreamhouse-org

I get the error 

ERROR running force:org:create:  Missing message org_create:RequiresDevhubUsernameError  for locale en_US.

This is the challenge:

https://trailhead.salesforce.com/content/learn/projects/quick-start-salesforce-dx/create-and-test-our-scratch-org?trailmix_creator_id=strailhead&trailmix_slug=build-your-developer-career-on-salesforce