throw error if subcommand doesn't exist
throw error if subcommand doesn't exist

riiiiizzzzzohmmmmm/meteorite,riiiiizzzzzohmmmmm/meteorite,riiiiizzzzzohmmmmm/meteorite,aldeed/meteorite,oortcloud/meteorite,aldeed/meteorite,oortcloud/meteorite,riiiiizzzzzohmmmmm/meteorite,oortcloud/meteorite,aldeed/meteorite