Video Embed Code Says "Video Not Found"

This embed code is returning "video not found message": <iframe src="https://premium.wpmudev.org/video/playlists” frameborder="0" width="500" height="281" webkitAllowFullScreen mozallowfullscreen allowFullScreen></iframe>
The Playlists video. Can you help me get the video? I've embedded many so far and this is the only one missing so far.