An unrecognized subcommand results in the following error message: <img width="456" alt="Screenshot 2020-10-16 at 10 30 16 PM" src="https://user-images.githubusercontent.com/25279263/96287222-38442800-0fff-11eb-92f1-7fd2e07a7e79.png">
