System.Web.HttpUnhandledException
<p>I am working on web application which is using lot of Ajax controls. I am not the developer of the application. I working on rectifying this issue. This application keep throwing error message which is as under.</p>

<p>Source: System.Web
Message: Exception of type 'System.Web.HttpUnhandledException' was thrown.
Stack trace:    at System.Web.UI.Page.HandleError(Exception e)   at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)   at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)   at System.Web.UI.Page.ProcessRequest()   at System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context)   at System.Web.UI.Page.ProcessRequest(HttpContext context)   at ASP.whyfj_aspx.ProcessRequest(HttpContext context)   at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&amp; completedSynchronously)</p>

<p>I tried searching on google but didn't get any solution. I am not facing this problem in local server and main thing this is that its  random error. Some time same pages works very well.</p>

<p>Server : 2008, IIS 7.5</p>

<p>Please help</p>
