angularjs Failed to instantiate module oc.lazyLoad due to:

When I open browser Internet Explorer 7 (7.0.5730)
Status tools appear error:
[$injector:modulerr] Failed to instantiate module oc.lazyLoad due to:
[$injector:nomod] Module   ‘undefined’ is not available!

But chrome (43.0.2357) is great.Console not appear error.