title: Only Content controls are allowed directly in a content page that contains Content controls in ASP.NET
body: <p>I have an application which has a master page and child pages. My application is working fine on local host (on my intranet). But as soon as I put it on a server that is on the internet, I get the error shown below after clicking on any menus.</p>
  
  <blockquote>
    <p>Only Content controls are allowed directly in a content page that contains Content controls.</p>
  </blockquote>
  
  <p><img src="https://i.stack.imgur.com/b21sZ.png" alt="screenshot"></p>