udpate

override/modules/configurator/controllers/front/product.php

@@ -0,0 +1,36 @@
+<?php
+/**
+ * Page Cache Ultimate, Page Cache standard and Speed pack are powered by Jpresta (jpresta . com)
+ *
+ * @author    Jpresta
+ * @copyright Jpresta
+ * @license   See the license of this module in file LICENSE.txt, thank you.
+ */
+
+if (!defined('_PS_VERSION_')) {
+    exit;
+}
+
+class ConfiguratorProductModuleFrontControllerOverride extends ConfiguratorProductModuleFrontController
+{
+    /**
+     * @return string
+     */
+    public static function getJprestaModelObjectClassName()
+    {
+        return 'Product';
+    }
+
+    /**
+     * @return int|null
+     */
+    public function getJprestaModelObjectId()
+    {
+        $id_product = (int)Tools::getValue('id_product');
+        if ($id_product && ($postObj = new Product($id_product)) && Validate::isLoadedObject($postObj)) {
+            return $id_product;
+        }
+        return null;
+    }
+
+}