I followed the following steps:
The Firebase CLI (Command Line Interface) requires Node.js and npm, which you can install by following the instructions on https
Use firebase projects:list and firebase use to make sure the Firebase CLI's "current project" is set correctly regardless of what folder you're in.
Example:
> firebase projects:list
✔ Preparing the list of your Firebase projects
┌──────────────────────┬─────────────────────┬──────────────────────┐
│ Project Display Name │ Project ID │ Resource Location ID │
├──────────────────────┼─────────────────────┼──────────────────────┤
│ alpha │ alpha (current) │ [Not specified] │
├──────────────────────┼─────────────────────┼──────────────────────┤
│ beta │ beta │ [Not specified] │
└──────────────────────┴─────────────────────┴──────────────────────┘
2 project(s) total.
> firebase use beta
Now using project beta