Uncaught TypeError: Cannot read property 'length' of undefined
    at Utf8Encode (sha256.js:104)
    at SHA256 (sha256.js:136)
    at AccountsClient.Accounts._hashPassword (password_client.js:67)
    at Object.Meteor.loginWithPassword (password_client.js:33)
    at Object.submit form (login.js:6)
    at template.js:483
    at Function.Template._withTemplateInstanceFunc (template.js:457)
    at Blaze.View.<anonymous> (template.js:482)
    at view.js:884
    at Object.Blaze._withCurrentView (view.js:538)

Template.login.events({
'submit form': function(event){
    event.preventDefault();
    var email = $('[name=email]').val();
    var password = $('[name=password]').val();
    Meteor.loginWithPassword(email, password);
    Router.go('home');
 }
});