title: TYPO3 Error: Uncaught TYPO3 Exception: Class 'TYPO3\CMS\Core\Core\Environment?
body: <p>I have a problem with my TYPO3 Website. Yesterday the Website works with no problems but today I have this Error:</p>
  <pre><code>Core: Exception handler (WEB): Uncaught TYPO3 Exception: Class 'TYPO3\CMS\Core\Core\Environment' not found | Error thrown in file /mnt/web524/e2/72/510353872/htdocs/typo3_grau_01/typo3conf/ext/ws_scss/Classes/Hooks/RenderPreProcessorHook.php in line 76. Requested URL: http://flughaefen.eu/index.php?id=1
  </code></pre>
  <p>Can someone help me ?</p>
  <pre class="lang-php prettyprint-override"><code>RenderPreProcessorHook.php in line 76 
   $sitePath = \TYPO3\CMS\Core\Core\Environment::getPublicPath() . '/';
  </code></pre>