Fatal error: Uncaught Error: Class "Drupal\Core\Form\FormBase" not found in /home/quitpathshareaco/public_html/New/vendor/drupal/core/modules/config/src/Form/ConfigSync.php:23 Stack trace: #0 {main} thrown in /home/quitpathshareaco/public_html/New/vendor/drupal/core/modules/config/src/Form/ConfigSync.php on line 23