error: src refspec main does not match any error: failed to push some refs to 'https://github.com/Amit161998/nodeJs-scaling-.git' code example

Example 1: error: src refspec master does not match any error: failed to push some refs to android studio

git commit -m "initial commit"
git push origin master

Example 2: error: src refspec main does not match any error: failed to push some refs to 'https://github.com/majeduli/paul-template.git'

error: src refspec master does not match any.  
error: failed to push some refs to 'ssh://xxxxx.com/project.git'