Uncaught TypeError: Cannot read property 'forEach' of undefined(anonymous function) in ember shortcut lib

I am using the latest version of ember like :

<script src="js/libs/ember-template-compiler.js"></script>
    <script src="js/libs/ember.debug.js"></script>
    <script src="js/libs/ember2.2.0.js"></script>
    <script src="js/libs/ember.min2.2.0.js"></script>
    <script src="js/libs/ember-data.min2.2.1.js"></script>
    <script src="js/libs/handlebars-v3.0.0.js"></script>
    <script src="js/libs/ember-shortcut.js"></script>

when i referencing my site I am am getting an error

Uncaught TypeError: Cannot read property 'forEach' of undefined(anonymous function) @ ember-shortcut.js:51(anonymous function) @ ember-shortcut.js:191 ember-template-compiler.js:1505 DEBUG: -------------------------------