Edit file File name : class-helpers.php Content :<?php namespace QuadLayers\QLWAPP\Controllers; use QuadLayers\QLWAPP\Models\Button as Models_Button; class Helpers { protected static $instance; private function __construct() { add_action( 'admin_enqueue_scripts', array( $this, 'register_scripts' ) ); } public function register_scripts() { $helpers = include QLWAPP_PLUGIN_DIR . 'build/helpers/js/index.asset.php'; $timezone_options = qlwapp_get_timezone_options(); /** * Register helpers assets */ wp_register_script( 'qlwapp-helpers', plugins_url( '/build/helpers/js/index.js', QLWAPP_PLUGIN_FILE ), $helpers['dependencies'], $helpers['version'], true ); global $wp_version; wp_localize_script( 'qlwapp-helpers', 'qlwappHelpers', array( 'WP_LANGUAGE' => get_locale(), 'WP_STATUSES' => get_post_statuses(), 'WP_VERSION' => $wp_version, 'QLWAPP_PLUGIN_URL' => plugins_url( '/', QLWAPP_PLUGIN_FILE ), 'QLWAPP_PLUGIN_NAME' => QLWAPP_PLUGIN_NAME, 'QLWAPP_PLUGIN_VERSION' => QLWAPP_PLUGIN_VERSION, 'QLWAPP_PLUGIN_FILE' => QLWAPP_PLUGIN_FILE, 'QLWAPP_PLUGIN_DIR' => QLWAPP_PLUGIN_DIR, 'QLWAPP_WORDPRESS_URL' => QLWAPP_WORDPRESS_URL, 'QLWAPP_DEMO_URL' => QLWAPP_DEMO_URL, 'QLWAPP_PREMIUM_SELL_URL' => QLWAPP_PREMIUM_SELL_URL, 'QLWAPP_SUPPORT_URL' => QLWAPP_SUPPORT_URL, 'QLWAPP_DOCUMENTATION_URL' => QLWAPP_DOCUMENTATION_URL, 'QLWAPP_GROUP_URL' => QLWAPP_GROUP_URL, 'QLWAPP_TIMEZONE_OPTIONS' => $timezone_options, 'QLWAPP_MESSAGE_REPLACEMENTS' => qlwapp_get_replacements_text(), ) ); } public static function instance() { if ( is_null( self::$instance ) ) { self::$instance = new self(); } return self::$instance; } } Save