fix

lib/Spiders/ElementSpider.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Bx\Discount\Spiders;
+
+use Bx\Discount\Tools;
+use Wt\Core\Spiders\ListSpider;
+
+class ElementSpider extends ListSpider
+{
+    protected function do()
+    {
+        parent::do();
+
+        $catalogIBlockId = discountApp()->config('catalog_iblock_id', 0);
+        if(!$catalogIBlockId){
+            return;
+        }
+        $lastId = $this->getLastId();
+        $ids = Tools::getElementList($lastId);
+        $__lastId = 0;
+        foreach ($ids as $id){
+            $__lastId = $id;
+            Tools::setTicketValueFromDiscount($id);
+        }
+
+        if($ids){
+            $this->setLastId($__lastId);
+        }
+    }
+}