EC CUBE 3の「商品種別」って何？どこで設定するの？
Fatal error: Uncaught Error: Call to undefined function MarkupMarkdown\Core\wp_is_rest_endpoint() in /home/web13c/bistro.site/public_html/wp-content/plugins/markup-markdown/MarkupMarkdown/Core/Support.php:235 Stack trace: #0 /home/web13c/bistro.site/public_html/wp-content/plugins/markup-markdown/MarkupMarkdown/Core/Support.php(258): MarkupMarkdown\Core\Support->content_data('EC CUBE 3\xE3\x81\xA7\xE5\x95\x86...', 1) #1 /home/web13c/bistro.site/public_html/wp-includes/class-wp-hook.php(324): MarkupMarkdown\Core\Support->post_content_mmd2html('EC CUBE 3\xE3\x81\xA7\xE5\x95\x86...') #2 /home/web13c/bistro.site/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters('EC CUBE 3\xE3\x81\xA7\xE5\x95\x86...', Array) #3 /home/web13c/bistro.site/public_html/wp-content/themes/luxeritas/inc/filters.php(292): apply_filters('the_content', 'EC CUBE 3\xE3\x81\xA7\xE5\x95\x86...') #4 /home/web13c/bistro.site/public_html/wp-includes/class-wp-hook.php(324): {closure}('EC CUBE 3\xE3\x81\xA7\xE5\x95\x86...') #5 /home/web13c/bistro.sit in /home/web13c/bistro.site/public_html/wp-content/plugins/markup-markdown/MarkupMarkdown/Core/Support.php on line 235