remove leading/trailing spaces of atlas/layer/map names
Your layer name " Barrington" starts with a space. I assume that this is the source of your problem.
Mapsforge updated to version 0.9.1
Mapsforge updated to version 0.9
2.0.1 release date
Mobac crashes on startup with OpenJDK 9
I created a separate start script for Java 9. It is available in MOBAC 2.0.1.