4 finger swip to : show desktop (not working)

Describe the bug
4 finger swipe up : show desktop
Does not work. Now just showing Mission control.

Affected input device (e.g. MacBook Trackpad, Magic Mouse/Trackpad, Touch Bar, etc.):
Macbook trackpad (macbook ir 2017, High Sierra)


Device information:

  • Type of Mac:Macbook Air 2017
  • macOS version: High Sierra 10.13.6
  • BetterTouchTool version: 2.809

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.