diff --git a/interface.php b/interface.php
index 1d8e3ac..2513625 100644
--- a/interface.php
+++ b/interface.php
@@ -507,6 +507,8 @@ function get_results_by_gameid(ReqHandler &$rh, array $params): array
 //            if (count($group_filter) > 0) {
 //                $group_filter = ["AND", $group_filter];
 //            }
+        } else { // a group not found means a faulty query
+            return [];
         }
 
         $game_results = $testMgr->getResultsByGameId($gameid, $filter, $ordering, true, $group_filter);