problem with playlist after sync

[spike12]

I created a new playlist for new music and synced my phone, now all my playlist on my phone are blank and no music can be played with a playlist. Help.

[phred]

Please search the forum as this has been asked often and recently. There are over 300 hits on "playlist" and there are a few threads with empty playlist topics right on the first page.

If none of them help, we'll need more details in order to help.

What version of MB are you using? (Help > About)
How was MB installed? (Installer, Portable, Store)
Steps you're taking to sync.
Screenshot of your device settings.