title: 'URLHelper' is an ambiguous reference between 'CMS.Helpers.URLHelper' and 'CMS.GlobalHelper.URLHelper'
body: <p>I upgraded Kentico to hotfix version 48 for CMS 8.2. Now I am getting this error</p>
  
  <pre><code> 'URLHelper' is an ambiguous reference between 'CMS.Helpers.URLHelper' and 'CMS.GlobalHelper.URLHelper'
  </code></pre>
  
  <p>This was working perfectly before the upgrade. I get this error after I login from administrator interface. </p>