I can't count how many times Enscape for Mac has not launched from SketchUp. It forces me to restart SketchUp to get it to work and even then it's not a guarantee it will launch. I've had to restart my computer multiple times to get it to simply launch. This is a huge bug! Also, when SketchUp crashes because of Enscape, which is still 5-10x a day for me ?, the link between SketchUp and Enscape breaks, leaving me to shut down everything and start over again, vs just relaunching SketchUp.
For your information, I have the same problem. There are some problems of ENSCAPE launch from SketchUp. Sometime I've to restart Sketchup.