Crystal Reports for Visual Studio 2013 ( ASP.NET Web Form ) – JavaScript runtime error: "bobj" is undefined

Crystal Reports for Visual Studio 2013 ( ASP.NET Web Form ) – JavaScript runtime error: "bobj" is undefined

Symptom :
For Firefox & Chrome, Browser would not show any JavaScript Error Message by Default. CrystalReportViewers would not be shown on the Page due to JavaScript Error.
For Internet Explorer, Browser popup the Error Message ( JavaScript runtime error: "bobj" is undefined ). CrystalReportViewers also would not be shown on the Page due to JavaScript Error.
 
Copy File Under "C:\inetpub\wwwroot\aspnet_client\system_web\4_0_30319\crystalreportviewers13" To Web Application Project.
 
Reference CrystalReportViewer JavaScript API on the Page.
<script language="javaScript" type="text/javascript" src="/crystalreportviewers/js/crviewer/crv.js"></script>