fix

Author: Rom1-B

inc/container.class.php

@@ -148,20 +148,11 @@ public static function installBaseData(Migration $migration, $version)
         }
 
         // Get itemtypes from PluginGenericobject
-        // @phpstan-ignore-next-line : Anonymous class extends @final class Glpi\Migration\GenericobjectPluginMigration.
-        $hack = new class ($DB) extends \Glpi\Migration\GenericobjectPluginMigration {
-            public function __construct($db)
-            {
-                parent::__construct($db);
-            }
-
-            public function runValidatePrerequisites()
-            {
-                return $this->validatePrerequisites();
-            }
-        };
-
-        if ($hack->runValidatePrerequisites()) {
+        $migrationgo = new \Glpi\Migration\GenericobjectPluginMigration($DB);
+        $method = new ReflectionMethod($migrationgo, 'validatePrerequisites');
+        $method->setAccessible(true);
+        $result = $method->invoke($migrationgo);
+        if ($result) {
             $migration_genericobject_itemtype = [];
             $result = $DB->request(['FROM' => 'glpi_plugin_genericobject_types']);
             foreach ($result as $type) {