Added exception handler around building up the program, so that the level can be reset properly and an error message can be displayed
Added exception handler around building up the program, so that the level can be reset properly and an error message can be displayed

mikebryant/rapid-router,mikebryant/rapid-router,CelineBoudier/rapid-router,CelineBoudier/rapid-router,CelineBoudier/rapid-router,CelineBoudier/rapid-router,mikebryant/rapid-router,mikebryant/rapid-router