This is another notice
NOTICE: wp-content/plugins/real-estate-listing-realtyna-wpl/views/frontend/property_listing/tmpl/assets/default_listings.php:23 - Undefined index: values
require('wp-blog-header.php'), require_once('wp-includes/template-loader.php'), include('/themes/generatepress/page.php'), get_template_part, locate_template, load_template, require('/themes/generatepress/content-page.php'), the_content, apply_filters('the_content'), call_user_func_array, do_shortcode, preg_replace_callback, do_shortcode_tag, call_user_func, wpl_sef->process, wpl_global::load, call_user_func, wpl_controller->f:property_listing:display, wpl_controller->__call, wpl_property_listing_controller_abstract->display, wpl_controller->render, include('/plugins/real-estate-listing-realtyna-wpl/views/frontend/property_listing/tmpl/default.php'), wpl_controller->_wpl_render, include('/plugins/real-estate-listing-realtyna-wpl/views/frontend/property_listing/tmpl/assets/default_listings.php')