Update

templates/moko-cassiopeia/html/com_osmembership/common/batch.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * @package        Joomla
+ * @subpackage     Membership Pro
+ * @author         Tuan Pham Ngoc
+ * @copyright      Copyright (C) 2012 - 2025 Ossolution Team
+ * @license        GNU/GPL, see LICENSE.php
+ */
+
+use Joomla\CMS\Factory;
+use Joomla\CMS\Language\Text;
+
+/**
+ * Layout variables
+ *
+ * @var string $selector
+ * @var string $title
+ */
+
+defined('_JEXEC') or die;
+
+Factory::getApplication()
+	->getDocument()
+	->getWebAssetManager()
+	->useScript('core');
+
+Text::script('JLIB_HTML_PLEASE_MAKE_A_SELECTION_FROM_THE_LIST');
+$message = "alert(Joomla.JText._('JLIB_HTML_PLEASE_MAKE_A_SELECTION_FROM_THE_LIST'));";
+?>
+<button type="button" data-toggle="modal" onclick="if (document.adminForm.boxchecked.value==0){<?php echo $message; ?>}else{jQuery( '#<?php echo $selector; ?>' ).modal('show'); return true;}" class="btn btn-small">
+	<span class="icon-checkbox-partial" aria-hidden="true"></span>
+	<?php echo $title; ?>
+</button>