Command + j/k mappings for Chrome and Firefox stop working from time to time.

Describe the bug

Command + j/k mappings for Chrome and Firefox stop working from time to time.
They start working again once I open the preference window of BTT.

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

MacBook keyboard

Screenshots

Device information:

  • Type of Mac: MacBook Pro (Retina, 15-inch, Mid 2015)
  • macOS version: Mjave (10.14.2)
  • BetterTouchTool version: 2.686

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.