Chechk if the request parameters exist before displaying result list

Classes/Controller/RecommenderController.php

@@ -120,7 +120,7 @@ class RecommenderController extends AbstractController
                 $this->logger->error('Request error: '.$e->getMessage());
                 $this->view->assign('error', $e->getMessage());
             }
-        } else if (!empty($resultList)) {
+        } else if (!empty($resultList) && $this->existRequestParameters()) {
             $this->results = $resultList;
 
             $this->assignViewVariables();