Please check this bug.

If I use 'Magic Track : don't allow tap to click on the left and right edge' of BTT, this function occurs bug that I can't click magic mouse.
Please check below steps. You can find bug.

  1. turn on 'Tap to click' of Trackpad Setting
    and set left and right edge % 'Magic Track : don't allow tap to click on the left and right edge' of BTT.

  2. Tab left and right side of Trackpad.

  3. Magic Mouse Click is not working.

  4. Tab other area of Trackpad and Magic Mouse Click is working.

OS : Big Sur
BTT version : 3.508