title: RadEditor requires a HttpHandler registration in web.config
body: <p>When I add this code to my <code>aspx</code> , </p>
  
  <pre><code>   &lt;telerik:RadEditor ID="REWelcome" runat="server" 
      AutoResizeHeight="True" Width="500px" ToolbarMode="Floating"&gt;
     &lt;Content&gt;
     &lt;/Content&gt;
     &lt;TrackChangesSettings CanAcceptTrackChanges="False"&gt;&lt;/TrackChangesSettings&gt;
     &lt;/telerik:RadEditor&gt;
  </code></pre>
  
  <p>And I got this error message ,</p>
  
  <pre><code>'~/Telerik.Web.UI.WebResource.axd' is missing in web.config.  
   RadScriptManager requires a   
   HttpHandler registration in web.config.
  </code></pre>
  
  <p>How can I solve it ?</p>