Fatal error: Uncaught Error: Class "Drupal\Component\PhpStorage\MTimeProtectedFastFileStorage" not found in /home/www/drupal8/test/core/lib/Drupal/Component/PhpStorage/MTimeProtectedFileStorage.php:32 Stack trace: #0 {main} thrown in /home/www/drupal8/test/core/lib/Drupal/Component/PhpStorage/MTimeProtectedFileStorage.php on line 32