Issue #3321998 by NWOM: SimplifyAdminForm::construct() must be an instance of...

src/Form/SimplifyAdminForm.php

@@ -5,7 +5,7 @@ namespace Drupal\simplify\Form;
 use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Form\ConfigFormBase;
 use Symfony\Component\DependencyInjection\ContainerInterface;
-use Drupal\Core\Extension\ModuleHandler;
+use Drupal\Core\Extension\ModuleHandlerInterface;
 use Drupal\Core\Form\FormStateInterface;
 
 /**
@@ -16,7 +16,7 @@ class SimplifyAdminForm extends ConfigFormBase {
   /**
    * The module handler service.
    *
-   * @var \Drupal\Core\Extension\ModuleHandler
+   * @var \Drupal\Core\Extension\ModuleHandlerInterface
    */
   protected $moduleHandler;
 
@@ -25,11 +25,11 @@ class SimplifyAdminForm extends ConfigFormBase {
    *
    * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
    *   The factory for configuration objects.
-   * @param \Drupal\Core\Extension\ModuleHandler $module_handler
+   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
    *   The module handler service.
    */
-  public function __construct(ConfigFactoryInterface $config_factory, ModuleHandler $module_handler) {
-    parent::__construct($config_factory);
+  public function __construct(ConfigFactoryInterface $config_factory, ModuleHandlerInterface $module_handler) {
+    $this->configFactory = $config_factory;
     $this->moduleHandler = $module_handler;
   }