title: Fatal error: Uncaught Error: [] operator not supported for strings - Codazon Themeframework -- Categoriestree.php
body: <p>After migrating a Magento 1.9.3.7 site between servers I am unable to access the settings page: Navigate to Admin> System> Configuration
  The following error is displayed:</p>
  
  <blockquote>
    <p>Fatal error: Uncaught Error: [] operator not supported for strings in /home/defaultwebsite/public/app/code/local/Codazon/Themeframework/Model/System/Config/Source/Categoriestree.php:28 </p>
  </blockquote>
  
  <p>Categoriestree.php:28 error here >> </p>
  
  <pre><code>$this-&gt;_categoriesTree[] = array('value' =&gt; $item['category_id'],'label' =&gt; str_repeat("–––", $level)." ".$item['name']);
  </code></pre>