If you are on a laptop (MacBook) using an external Magic Trackpad, your internal trackpad might be interfering.
Sometimes Force Touch conflicts with two-finger scroll. magic trackpad scrolling not working
: Moisture or oil buildup on the glass can interfere with the touch sensors. If you are on a laptop (MacBook) using
If you found a different fix, share it in the comments below to help others! magic trackpad scrolling not working