Based on the typical search intent for this topic, the text below provides a comprehensive overview of how to handle YouTube links and the Bit.ly URL shortener on Android 6.0 (Marshmallow).
Update the YouTube app to the latest available version. On the Play Store app, tap Update and wait a moment to update. If you don' YouTube 17.34.36 (nodpi) (Android 6.0+) - APKMirror bit.ly youtube android 6