Controller 'masonry', required by directive 'ngSwitch', can't be found - angularjs

Question

Here are my html:
<div masonry id="graphicGridDiv">
<div class="masonry-brick" ng-switch on="{{graphic.length}}" ng-repeat="graphic in graphicArray">
<div ng-switch-when="1" class="col-sm-4 gra-mix-graphic ">
<div class="category_1 custom-menu-preview mix" ng-click="singleGraContent(graphic[0].id)">
<p class="video_title" title="title" ng-bind="$parent.graphic[0].name"></p>
<div class="gra-mix-inner">
<img ng-src="{{$parent.graphic[0].src}}" class="img-responsive">
</div>
<div class="caption">
<p class="video_detail" title="digest" ng-bind="$parent.graphic[0].digest"></p>
</div>
<div class="gra-mix-details-t">
<a class="mix-link but" title="delete" ng-click="graDelete($parent.graphic[0].id)">
<i class="fa fa-times"></i>
</a>
<a class="mix-preview but fancybox-button" title="edit" ng-click="graEdit(graphic[0])" >
<i class="fa fa-pencil"></i>
</a>
</div>
</div>
</div>
<div ng-switch-default class="col-sm-4 gra-mix-graphic">
<div class="gra-mix-details-t">
<a class="mix-link" title="delete" ng-click="graDelete(id)">
<i class="fa fa-times"></i>
</a>
<a class="gra-mix-preview fancybox-button" ng-click="graEdit(id)" title="edit**strong text**" data-rel="fancybox-button">
<i class="fa fa-pencil"></i>
</a>
</div>
<div class="category_1 custom-menu-preview" ng-click="multiGraContent(id)">
<div class="gra-mix-inner thumbnail">
<img ng-src="{{graphic[0].src}}" class="img-responsive" style="width: 330px;">
</div>
<div class="multiFirstTitle">
<p class="video_sub_title" title="{{graphic[0].name}}" ng-bind="graphic[0].name"></p>
</div>
<div class="multi" ng-repeat="mutiGra in graphic | arrayLimitFilter:1 ">
<p title="{{mutiGra.name}}" ng-bind="mutiGra.name" class="video_artical_title"></p>
<div class="multiImage" id="multiImageDiv">
<img ng-src="{{mutiGra.src}}" class="multiImage">
</div>
</div>
</div>
</div>
</div>
</div>
Here is the actual error text:
at Object.$watchCollectionAction [as fn] <div class="masonry-brick ng-scope" ng-switch="" on="{{graphic.length}}"
ng-repeat="graphic in graphicArray">

Answer 1

ng-controller is not specified anywhere in your HTML. Assuming your controller is named masonry you need to add ng-controller="masonry" to your outer div.