I tried that and still get this. This is after editing the session and it was clear. The when I sent to run session I get this again. This of course is TrainZ 2019
You did click and add one of the green dots? That will set the fog-level at that particular time. If you are starting earlier, then you need to set your fog level for then.
A big thanks for the quick reply, that solved the problem. I am beginning to enjoy the new program. I wished I could have participated in the beta tests but just didn't have the time to give it a good test. I was successful in importing a route I had been working on in SP3.