Fix trying to access array offset on null

Author: stefansl

src/Element/GridStart.php

@@ -19,6 +19,7 @@
 use Contao\CoreBundle\Controller\ContentElement\AbstractContentElementController;
 use Contao\CoreBundle\DependencyInjection\Attribute\AsContentElement;
 use Contao\CoreBundle\Routing\ScopeMatcher;
+use Contao\System;
 use Contao\Template;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\RequestStack;
@@ -114,7 +115,8 @@ protected function getResponse(Template $template, ContentModel $model, Request
      */
     private function getConfigInfo(ContentModel $model): string
     {
-
+        System::loadLanguageFile('tl_content');
+        
         $configInfo = '<span class="tl_help">';
 
         $configInfo .= \sprintf(