Return empty string for team member header when no category is set

web/typo3conf/ext/ep_products/Classes/Controller/TeamController.php

@@ -89,7 +89,7 @@ class TeamController extends ActionController
         }
 
         $firstCategory = current($member->getCategories()->toArray());
-        if ($firstCategory !== null) {
+        if ($firstCategory !== null && $firstCategory !== false) {
             return $firstCategory->getTitle();
         }