Fatal error: Uncaught Error: Call to undefined function yith_plugin_fw_wc_is_using_block_template_in_single_product() in /usr/www/users/aircohravt/wp-content/plugins/yith-woocommerce-compare/includes/class.yith-woocompare-frontend.php:113
Stack trace:
#0 /usr/www/users/aircohravt/wp-content/plugins/yith-woocommerce-compare/includes/class.yith-woocompare.php(54): YITH_Woocompare_Frontend->__construct()
#1 /usr/www/users/aircohravt/wp-content/plugins/yith-woocommerce-compare/init.php(139): YITH_Woocompare->__construct()
#2 /usr/www/users/aircohravt/wp-includes/class-wp-hook.php(307): yith_woocompare_constructor('')
#3 /usr/www/users/aircohravt/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array)
#4 /usr/www/users/aircohravt/wp-includes/plugin.php(474): WP_Hook->do_action(Array)
#5 /usr/www/users/aircohravt/wp-settings.php(450): do_action('plugins_loaded')
#6 /usr/www/users/aircohravt/wp-config.php(185): require_once('/usr/www/users/...')
#7 /usr/www/users/aircohravt/wp-load.php(50): require_once('/usr/www/users/...')
#8 /usr/www/users/aircohravt/wp-blog-header.php(13): require_once('/usr/www/users/...')
#9 /usr/www/users/aircohravt/index.php(17): require('/usr/www/users/...')
#10 {main}
  thrown in /usr/www/users/aircohravt/wp-content/plugins/yith-woocommerce-compare/includes/class.yith-woocompare-frontend.php on line 113