I installed it on literally hundreds of devices. I have never seen a problem like this.
In addition, the algorithm cannot calculate one part of the trip on the roads, the next part - by plane. Here I would even suspect the device itself, or in some major file errors. It also seems to me that you are using some skin?
Btw, do you use latest global cfg?
And, as mentioned many times - pay attention to [Only registered and activated users can see links. ].
It is not only here to help solve the problem, but also to instruct you on all the parameters that affect the problems.
And...
[Only registered and activated users can see links. ]