Error when building with yo mozu-theme

[leahtard]

When connecting the theme to dev center though yo mozu-theme, I see the follow errors in my terminal:

 Checking if a repository exists already: 
       git rev-parse --is-inside-work-tree
 Looking for an existing remote named `basetheme`: 
       git remote -v

Error mozu-theme 

A `basetheme` remote has already been attached to this repository. Perhaps a previous upgrade is half-finished, or it failed. Please remove this remote and continue.

I fixed this by updating updating theme.json on line 5

• from: "extends": null
• to: "extends": "core9"

I know the extends functionality is being deprecated. It would be nice if the yo build process was aware of this.

Cheers, Leah