Sure, I'd be happy to help you troubleshoot issues with your Spotify playlists. Here are a few common issues and their solutions:

1. **Playlist Disappeared or Deleted**: If your playlist has disappeared or has been accidentally deleted, you can recover it by logging into your Spotify account on a web browser, then go to "Recover playlists" and click "Restore" next to the playlist you want to recover.

2. **Can't Add Songs to Playlist**: Ensure you haven't reached the song limit. Each Spotify playlist can hold a maximum of 10,000 songs. If you're still having trouble, try logging out and back in, or reinstalling the app.

3. **Songs Greyed Out**: This usually means that the song is not available in your region or has been removed from Spotify by the artist or their music label.

4. **Playlists Not Syncing Across Devices**: Make sure that all your devices are connected to the same Wi-Fi network and that they're all logged into the same Spotify account. Also, try logging out and back in on all devices.

5. **Can't Share Playlist**: Check your privacy settings to make sure you're allowed to share playlists. If you're trying to share a playlist with a specific person, make sure that they're following you on Spotify.

If you're experiencing a different issue, please provide more details so I can give you a more specific solution.