Factory 'FacebookAngularPatch' not returning value #40

Find the error log below:
Error: [$injector:undef] Provider 'FacebookAngularPatch' must return a value from $get factory method.
http://errors.angularjs.org/1.4.7/$injector/undef?p0=FacebookAngularPatch
at angular.js:68
at Object.enforcedReturnValue as $get
at Object.invoke (angular.js:4478)
at angular.js:4295
at getService (angular.js:4437)
at Object.invoke (angular.js:4469)
at extend.instance (angular.js:9136)
at nodeLinkFn (angular.js:8248)
at compositeLinkFn (angular.js:7680)
at compositeLinkFn (angular.js:7684)