fix bug

scripts/test_ghs_stock_concurrency.php

@@ -234,7 +234,7 @@ function refreshOrderBodyPrices($orderBody, &$summary)
         return $orderBody;
     }
 
-    $custom = \bizGhs\custom\classes\CustomClass::getCustom($customId);
+    $custom = \bizGhs\custom\classes\CustomClass::getById($customId);
     if (empty($custom)) {
         $summary = 'keep original prices; custom not found';
         return $orderBody;