Route error

gistfile1.js

this.route('home',{
		path: '/:_domain',
		data: function(){ 
			if(domains.find().count() <= 0)
			{
				Router.go('register');
			}
			return {'name':this.params._domain};
		},
		waitOn: function(){ 
			return Meteor.subscribe('userDomain',this.params._domain);
		},
		action: function(){
			if(this.ready()){
				this.render();
			}
		}
	});