MAVExplorer MagFit Win10 Bug

Hi all,

I have a bug when I try to use MagFit with Win10. I’ve installed this version here

Attitude source XKF1
Extracted 174 points
Current: Vector3(17.14, -10.49, 9.39) diag: Vector3(1.00, 1.00, 1.00) offdiag: Vector3(0.00, 0.00, 0.00) cmot: Vector3(2.60, -2.48, -0.24) scale: 1.00
Traceback (most recent call last):
File “MAVProxy\modules\lib\”, line 669, in OnButton
File “MAVProxy\modules\lib\”, line 674, in run
File “MAVProxy\modules\lib\”, line 351, in magfit
File “MAVProxy\modules\lib\”, line 183, in fit_WWW
File “scipy\optimize\”, line 207, in fmin_slsqp
File “scipy\optimize\”, line 375, in _minimize_slsqp
File “scipy\optimize\”, line 261, in _prepare_scalar_function
File “scipy\”, line 140, in init
File “scipy\”, line 233, in _update_fun
File “scipy\”, line 137, in update_fun
File “scipy\”, line 134, in fun_wrapped
File “MAVProxy\modules\lib\”, line 132, in wmm_error
File “MAVProxy\modules\lib\”, line 90, in get_yaw
TypeError: unsupported operand type(s) for +: ‘float’ and ‘NoneType’