【SE】【案件】開発の第三者レビュー、インシデント分析

Fatal error: Uncaught Error: Call to undefined function WpMatomo\Ecommerce\WC() in /home/xs169369/freeanken.com/public_html/wp-content/plugins/matomo/classes/WpMatomo/Ecommerce/Woocommerce.php:520 Stack trace: #0 /home/xs169369/freeanken.com/public_html/wp-content/plugins/matomo/classes/WpMatomo/Ecommerce/Base.php(263): WpMatomo\Ecommerce\Woocommerce->get_tracking_calls_in_session() #1 /home/xs169369/freeanken.com/public_html/wp-includes/class-wp-hook.php(322): WpMatomo\Ecommerce\Base->maybe_do_delayed_tracking_early() #2 /home/xs169369/freeanken.com/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #3 /home/xs169369/freeanken.com/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #4 /home/xs169369/freeanken.com/public_html/wp-includes/general-template.php(3208): do_action('wp_footer') #5 /home/xs169369/freeanken.com/public_html/wp-content/themes/luxeritas/footer.php(267): wp_footer() #6 /home/xs169369/freeanken.com/public_html/wp-includes/template.php(810): require_once('/home/xs169369/...') #7 /home/xs169369/freeanken.com/public_html/wp-includes/template.php(745): load_template('/home/xs169369/...', true, Array) #8 /home/xs169369/freeanken.com/public_html/wp-includes/general-template.php(92): locate_template(Array, true, true, Array) #9 /home/xs169369/freeanken.com/public_html/wp-content/themes/luxeritas/inc/filters.php(217): get_footer() #10 /home/xs169369/freeanken.com/public_html/wp-includes/class-wp-hook.php(324): {closure}('') #11 /home/xs169369/freeanken.com/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters('', Array) #12 /home/xs169369/freeanken.com/public_html/wp-content/themes/luxeritas/single.php(369): apply_filters('thk_footer', '') #13 /home/xs169369/freeanken.com/public_html/wp-includes/template-loader.php(106): include('/home/xs169369/...') #14 /home/xs169369/freeanken.com/public_html/wp-blog-header.php(19): require_once('/home/xs169369/...') #15 /home/xs169369/freeanken.com/public_html/index.php(17): require('/home/xs169369/...') #16 {main} thrown in /home/xs169369/freeanken.com/public_html/wp-content/plugins/matomo/classes/WpMatomo/Ecommerce/Woocommerce.php on line 520