Now Playing Widget doesn't output anything

Describe the bug
When Spotify is playing, BTT doesn't output album, title, artist, duration, or paused.

Affected input device (e.g. MacBook Trackpad, Magic Mouse/Trackpad, Touch Bar, etc.):
Touch Bar

Screenshots

Device information:

  • Type of Mac: MacBook Pro 2017
  • macOS version: 10.12.5
  • BetterTouchTool version: 2.648

Additional information (e.g. StackTraces, related issues, screenshots, workarounds, etc.):

Note: Before bug reporting, please make sure you have the latest version of BetterTouchTool and that you have already tried to restart your system :-). If you encounter a crash, please attach a crash log from the macOS Console.app from the "User Diagnostic Reports" section.