Unable to push changes to GitHub

[jaganmohanakola]

Followed the steps till Push to your fork with the given command in tutorial
git push origin your-new-branch-name

the above command is modified from my side as
git push origin MyFirstApp-Branch1

and the below error shows up:
FirstIssue.txt
FirstIssue.txt

error: src refspec MyFirstApp-Branch1 does not match any.
error: failed to push some refs to 'https://github.com/jaganmohanakola/MyFirstApp.git'

All the commands used to get to this stage are in the attached file for your reference.
FirstIssue.txt

[asha15]

@jaganmohanakola I think you did not created a branch called < MyFirstApp-Branch1 >

I recommend you to try this steps.

1. git checkout -b "branch-name"
   2.git add <file_name>
   3.git commit -m "your comment"
   4.git push origin "branch-name"