Mern can't fetch from remote because git doesn't specify the branch.
$ mern helloworld
Initialized empty Git repository in C:/Users/Alex_2/Documents/GitHub/helloworld/.git/
Fetching the boilerplate...|
From https://github.com/Hashnode/mern-starter
Fetching the boilerplate.../
Fetching the boilerplate...\
You asked to pull from the remote 'https://github.com/Hashnode/mern-starter.git', but did not specify
a branch. Because this is not the default configured remote
for your current branch, you must specify a branch on the command line.
Error! Try again
Mern can't fetch from remote because git doesn't specify the branch.