Cloning a repository→
When you create a repository on GitHub, it exists as a remote repository. You can clone your repository to create a local copy on your computer and sync between the two locations.
HTTPS cloning errors→
There are a few common errors when using HTTPS with Git. These errors usually indicate you have an old version of Git, or you don't have access to the repository.
Error: Repository not found→
If you see this error when cloning a repository, it means that the repository does not exist or you do not have permission to access it. There are a few solutions to this error, depending on the cause.
Error: Remote HEAD refers to nonexistent ref, unable to checkout→
This error occurs if the default branch of a repository has been deleted on GitHub.