[에러]fatal: The current branch feat/validation has no upstream branch.

fatal: The current branch feat/validation has no upstream branch.
To push the current branch and set the remote as upstream, use
git push --set-upstream origin 브랜치 이름

원인:원격 저장소에 해당 브랜치 설정 안해줘서.

해결:
git push --set-upstream origin 브랜치 이름