Fatal error: Uncaught Error: Call to undefined function WC() in /home/oip/public_html/wp-content/plugins/rt20-extensions/inc/shortcodes/woo_products.php:55 Stack trace: #0 /home/oip/public_html/wp-includes/shortcodes.php(381): rt_woo_products(Array, '', 'woo_products') #1 [internal function]: do_shortcode_tag(Array) #2 /home/oip/public_html/wp-includes/shortcodes.php(256): preg_replace_callback('/\\[(\\[?)(woo_pr...', 'do_shortcode_ta...', '[rt_heading sty...') #3 /home/oip/public_html/wp-content/plugins/rt20-extensions/inc/shortcodes/rt_column.php(130): do_shortcode('[rt_heading sty...') #4 /home/oip/public_html/wp-includes/shortcodes.php(381): rt_column(Array, '[rt_heading sty...', 'rt_column') #5 [internal function]: do_shortcode_tag(Array) #6 /home/oip/public_html/wp-includes/shortcodes.php(256): preg_replace_callback('/\\[(\\[?)(woo_pr...', 'do_shortcode_ta...', '[rt_column vc_b...') #7 /home/oip/public_html/wp-content/plugins/rt20-extensions/vc_templates/vc_column.php(44): do_shortcode('[rt_column vc_b...') #8 /home in /home/oip/public_html/wp-content/plugins/rt20-extensions/inc/shortcodes/woo_products.php on line 55