Hi Guys i got this error from git, what i am doing wrong?

State message: Flow could not be retrieved from deployment. subprocess.CalledProcessError: Command '['git', 'clone', 'git@github.com:Oicoteam/prefect.git', '-b', 'main', '--depth', '1']' returned non-zero exit status 128.

This appears to be a private repository, which means you'll need to configure a personal access token