Fatal error: Uncaught Error: Call to undefined function is_product() in /home/tecnologiauniver/public_html/wp-content/plugins/oneclick-whatsapp-order/includes/buttons/wa-order-display-options.php:236 Stack trace: #0 /home/tecnologiauniver/public_html/wp-includes/class-wp-hook.php(324): wa_order_remove_quantity_atc_css() #1 /home/tecnologiauniver/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #2 /home/tecnologiauniver/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #3 /home/tecnologiauniver/public_html/wp-includes/functions.wp-styles.php(57): do_action() #4 /home/tecnologiauniver/public_html/wp-includes/class-wp-hook.php(324): wp_print_styles() #5 /home/tecnologiauniver/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #6 /home/tecnologiauniver/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #7 /home/tecnologiauniver/public_html/wp-includes/general-template.php(3064): do_action() #8 /home/tecnologiauniver/public_html/wp-includes/template-canvas.php(17): wp_head() #9 /home/tecnologiauniver/public_html/wp-includes/template-loader.php(106): include('...') #10 /home/tecnologiauniver/public_html/wp-blog-header.php(19): require_once('...') #11 /home/tecnologiauniver/public_html/index.php(17): require('...') #12 {main} thrown in /home/tecnologiauniver/public_html/wp-content/plugins/oneclick-whatsapp-order/includes/buttons/wa-order-display-options.php on line 236