Could not get lock /var/lib/dpkg/lock – open エラーが出たとき

2022年5月23日


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:303 Stack trace: #0 /home/web13c/bistro.site/public_html/wp-content/plugins/markup-markdown/MarkupMarkdown/Core/Support.php(326): MarkupMarkdown\Core\Support->content_data('\r\n<p>Ubuntu20.0...', 1) #1 /home/web13c/bistro.site/public_html/wp-includes/class-wp-hook.php(324): MarkupMarkdown\Core\Support->post_content_mmd2html('\r\n<p>Ubuntu20.0...') #2 /home/web13c/bistro.site/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters('\r\n<p>Ubuntu20.0...', Array) #3 /home/web13c/bistro.site/public_html/wp-content/themes/luxeritas/inc/filters.php(292): apply_filters('the_content', '<!-- wp:paragra...') #4 /home/web13c/bistro.site/public_html/wp-includes/class-wp-hook.php(324): {closure}('<!-- wp:paragra...') #5 /home/web13c/bistro.site/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters('', Array) #6 /hom in /home/web13c/bistro.site/public_html/wp-content/plugins/markup-markdown/MarkupMarkdown/Core/Support.php on line 303