Fatal error: Uncaught Error: Class "Drupal\Core\Form\FormBase" not found in /home/renatori/harmoniflor.com.br/vendor/drupal/recipe_installer_kit/src/Form/RecipeSelectionFormBase.php:11 Stack trace: #0 {main} thrown in /home/renatori/harmoniflor.com.br/vendor/drupal/recipe_installer_kit/src/Form/RecipeSelectionFormBase.php on line 11