Yann Unity Base Engine
You have to use https://github.com/mob-sakai/GitDependencyResolverForUnity in order to install correctly the package. Inside the manifest.json of your project, add the line:
"dependencies": {
"com.yannickmontes.yube": "https://github.com/YannickMontes/Yube.git",
}
in your dependencies. Open the project, and the link will be done.