Custom Snap Areas Not Saving macOS 10.12.5

Describe the bug
I've setup multiple custom snaps areas. After restarting they are gone.

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

If applicable, add screenshots to help explain your problem. (You can just paste or drag them here)

Device information:

  • Type of Mac: MacBook Pro (Retina, 15-inch, Early 2013)
  • macOS version: 10.12.5 (Sierra)
  • BetterTouchTool version: 1.9

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 from the "User Diagnostic Reports" section.