Downloaded latest version SH3D 6.1.2 from this website and expanded archive in /etc/sh3d on my ubuntu 18.1.2 LTS laptop

Couldn't start the application nor could the java version.

Then moved the directory to /usr/share/sh3d
apllication doesn't start

a) what did I do wrong /omit to do during install
b) is there a verbose/debug mode form terminal such that i can see error messages?