git rejected push non-fast-forward

Question

I am quite new to git, and I had been working on a small side project for the last 2 months and had been pushing stuff onto bitbucket with no problems. A couple of days ago,

Answer 1

in my case was new file from git repository not added, and this was the solution 1. git status (just to check) 2. git add . 3. git push -u master origin