title: Not able to load node tree in umbraco 4.5.2 [Error. 500 Internal Server Error]
body: <p>I am getting following error messagae , When I try to access respective tree node (umbraco 4.5.2)</p>
  
  <blockquote>
    <p>POST
    .../umbraco/webservices/TreeClientService.asmx/GetInitAppTreeData</p>
    
    <p>500 Internal Server Error
          jquery.js?cdv=1 (line 130)</p>
  </blockquote>
  
  <p>As following is the Image for the same.</p>
  
  <p><img src="https://i.stack.imgur.com/N1ABN.png" alt="enter image description here"></p>
  
  <p>I have also try by setting my IIS Application pool to Integrated Mode , but it's also did not working.</p>