git checkout specific version failed

Question

git clone https://github.com/lnas01/rel...
git checkout ff0bb84

error: pathspec 'ff0bb84' did not match any file(s) known to git.

Answer 1

ff0bb84 is the commit id.
If you want to create a new branchgit checkout -b branch_name
If you want to return to a certain commit git reset commit_id

The result of running the command here:
Screen Shot 2017-06-13 at 13.30.23