“Cannot update paths and switch to branch at the same time”

Question

I sometimes use the checkout -b option to create a new branch, check it out at the same time and set up tracking in one command.

In a new environment, I

Answer 1

It causes by that your local branch doesn't track remote branch. As ssasi said,you need use these commands:

git remote update
git fetch
git checkout -b branch_nameA origin/branch_nameB

I solved my problem just now....