diff --git a/typo3/sysext/frontend/Classes/View/AdminPanelView.php b/typo3/sysext/frontend/Classes/View/AdminPanelView.php
index 251c34ce9ec28b8bce9d256e40cc97328b895894..a8516ba2d8de3e3a9fa9779c23f1be9a9254d6a9 100644
--- a/typo3/sysext/frontend/Classes/View/AdminPanelView.php
+++ b/typo3/sysext/frontend/Classes/View/AdminPanelView.php
@@ -554,7 +554,7 @@ class AdminPanelView
             $tableArr[] = [$this->extGetLL('info_type'), $tsfe->type];
             $tableArr[] = [$this->extGetLL('info_groupList'), $tsfe->gr_list];
             $tableArr[] = [$this->extGetLL('info_noCache'), $this->extGetLL('info_noCache_' . ($tsfe->no_cache ? 'no' : 'yes'))];
-            $tableArr[] = [$this->extGetLL('info_countUserInt'), count($tsfe->config['INTincScript'])];
+            $tableArr[] = [$this->extGetLL('info_countUserInt'), isset($tsfe->config['INTincScript']) && is_array($tsfe->config['INTincScript']) ? count($tsfe->config['INTincScript']) : 0];
 
             if (!empty($tsfe->fe_user->user['uid'])) {
                 $tableArr[] = [$this->extGetLL('info_feuserName'), htmlspecialchars($tsfe->fe_user->user['username'])];