Sys.WebForms.PageRequestManagerServerErrorException 500
<p>While trying to run my application I'm getting this error.</p>

<blockquote>
  <p>Sys.WebForms.PageRequestManagerServerErrorException:500</p>
</blockquote>

<p>How can i resolve this?</p>

<p>Any idea?</p>

<p>thank you</p>
