Crash app when change between Scenes

Hello,

I build for android an example with two buttons to change scenes, one of them with your planar Example and other with your geolocation. When switching to Geolocation all is correct, but when switch to planar, the once is correct but the twice the app Crash. I Think is in the method onDestroy when call removeVisualTrackerWithName(TrackerName);

I use your unity plugin and my unity is 5.4.3f1 version.