Issue #3474145: Configuration page issue with Drupal 11

src/Form/ModalModuleSettingsForm.php

@@ -2,12 +2,9 @@
 
 namespace Drupal\ik_modals\Form;
 
-use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Form\ConfigFormBase;
 use Drupal\Core\Form\FormStateInterface;
-use Drupal\Core\Messenger\MessengerInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
-use Symfony\Component\HttpFoundation\RequestStack;
 
 /**
  * Class ModalModuleSettingsForm.
@@ -16,14 +13,6 @@ use Symfony\Component\HttpFoundation\RequestStack;
  */
 class ModalModuleSettingsForm extends ConfigFormBase {
 
-  /**
-   * Drupal\Core\Config\ConfigFactoryInterface.
-   *
-   * @var \Drupal\Core\Config\ConfigFactoryInterface
-   *   Config Factory Interface.
-   */
-  protected $configFactory;
-
   /**
    * Drupal\Core\Messenger\MessengerInterface.
    *
@@ -39,31 +28,14 @@ class ModalModuleSettingsForm extends ConfigFormBase {
    */
   protected $requestStack;
 
-  /**
-   * ModalModuleSettingsForm constructor.
-   *
-   * @param \Drupal\Core\Config\ConfigFactoryInterface $configFactory
-   *   Drupal\Core\Config\ConfigFactoryInterface.
-   * @param \Drupal\Core\Messenger\MessengerInterface $messenger
-   *   Drupal\Core\Messenger\MessengerInterface.
-   * @param \Symfony\Component\HttpFoundation\RequestStack $requestStack
-   *   Symfony\Component\HttpFoundation\RequestStack.
-   */
-  public function __construct(ConfigFactoryInterface $configFactory, MessengerInterface $messenger, RequestStack $requestStack) {
-    parent::__construct($configFactory);
-    $this->messenger = $messenger;
-    $this->requestStack = $requestStack;
-  }
-
   /**
    * {@inheritdoc}
    */
   public static function create(ContainerInterface $container) {
-    return new static(
-      $container->get('config.factory'),
-      $container->get('messenger'),
-      $container->get('request_stack')
-    );
+    $instance = parent::create($container);
+    $instance->messenger = $container->get('messenger');
+    $instance->requestStack = $container->get('request_stack');
+    return $instance;
   }
 
   /**