"Bad LIDAR Health" where i could find RNGFND_LANDING

ArduCopter Copter 3.6
1

I try to use a MinLiDAR and a get “Bad LIDAR Health” I found that if I set the RNGFND_LANDING =1 the waring gone but I can’t found the parameter RNGFND_LANDING.
I use framework 3.6.7

2

I have faced same problem as you. I used framework 3.6 and TFmini (UART)