some fixes

custom/settlements/class/helper.class.php

@@ -1537,8 +1537,10 @@ class Helper
             $to = date('Y-m-d H:i:s', $now);
 
             $result = $packageHistoryObj->fetchAll('DESC', 'rowid', 0, 0, ["customsql" => "fk_group_id = {$id} AND  date_creation BETWEEN '{$from}' AND '{$to}'"]);
-            foreach ($result as $key => $value) {
-                $array[][$value->package_id] = $value->user_id;
+            if($result > 0){
+                foreach ($result as $key => $value) {
+                    $array[][$value->package_id] = $value->user_id;
+                }
             }
         }
         return $array;