Do not use hook AdminStatsModules alias, use displayAdminStatsModules & Bump version to 2.1.1

config.xml

@@ -2,7 +2,7 @@
 <module>
 	<name>statsproduct</name>
 	<displayName><![CDATA[Product details]]></displayName>
-	<version><![CDATA[2.1.0]]></version>
+	<version><![CDATA[2.1.1]]></version>
 	<description><![CDATA[Adds detailed statistics for each product to the Stats dashboard.]]></description>
 	<author><![CDATA[PrestaShop]]></author>
 	<tab><![CDATA[analytics_stats]]></tab>

statsproduct.php

@@ -39,7 +39,7 @@ public function __construct()
     {
         $this->name = 'statsproduct';
         $this->tab = 'analytics_stats';
-        $this->version = '2.1.0';
+        $this->version = '2.1.1';
         $this->author = 'PrestaShop';
         $this->need_instance = 0;
 
@@ -52,7 +52,7 @@ public function __construct()
 
     public function install()
     {
-        return (parent::install() && $this->registerHook('AdminStatsModules'));
+        return (parent::install() && $this->registerHook('displayAdminStatsModules'));
     }
 
     public function getTotalBought($id_product)
@@ -156,7 +156,7 @@ private function getCrossSales($id_product, $id_lang)
         return Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($sql);
     }
 
-    public function hookAdminStatsModules()
+    public function hookDisplayAdminStatsModules()
     {
         $id_category = (int)Tools::getValue('id_category');
         $currency = Context::getContext()->currency;

upgrade/index.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * Copyright since 2007 PrestaShop SA and Contributors
+ * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Academic Free License 3.0 (AFL-3.0)
+ * that is bundled with this package in the file LICENSE.md.
+ * It is also available through the world-wide-web at this URL:
+ * https://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@prestashop.com so we can send you a copy immediately.
+ *
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
+ * versions in the future. If you wish to customize PrestaShop for your
+ * needs please refer to https://devdocs.prestashop.com/ for more information.
+ *
+ * @author    PrestaShop SA and Contributors <contact@prestashop.com>
+ * @copyright Since 2007 PrestaShop SA and Contributors
+ * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License 3.0 (AFL-3.0)
+ */
+
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
+
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+
+header('Location: ../');
+exit;

upgrade/upgrade-2.1.1.php

@@ -0,0 +1,33 @@
+
+<?php
+/**
+ * Copyright since 2007 PrestaShop SA and Contributors
+ * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Academic Free License 3.0 (AFL-3.0)
+ * that is bundled with this package in the file LICENSE.md.
+ * It is also available through the world-wide-web at this URL:
+ * https://opensource.org/licenses/AFL-3.0
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@prestashop.com so we can send you a copy immediately.
+ *
+ * @author    PrestaShop SA <contact@prestashop.com>
+ * @copyright Since 2007 PrestaShop SA and Contributors
+ * @license   https://opensource.org/licenses/AFL-3.0 Academic Free License 3.0 (AFL-3.0)
+ */
+
+/**
+ * @param Module $module
+ *
+ * @return bool
+ */
+function upgrade_module_2_1_1($module)
+{
+    $module->unregisterHook('AdminStatsModules');
+    $module->registerHook('displayAdminStatsModules');
+
+    return true;
+}