1. Check if the music file is compatible. The list of compatible music files for different OS are shown below.
- Android : .mp3, .flac, .aac (For Android 3.0 or earlier version, it only supports mp3 files.)
- iOS : .mp3, .wav
2. When music file is deleted from original location, it is unable to play that file, even if it exists in the playlist.
3. If the music file is saved to Storpia, then check if Storpia is connected to Wi-Fi.