"Share Project on Github" works first time, but then tries to recreate same name project.

Using phpstorm option

VCS->Import into version control -> "Share Project on Github" works first time, but then is not incremental, it tries to recreate same project.

How do you work with incremental pushes into Github. I received the following message on IDE.

If I press Continue a new message appears:

"Repository with selected name already exists" and cannot upload changes to repository.

thank you in advance.