Fatal error: Uncaught Error: Call to undefined function wp_has_noncharacters() in /home/www/026/WS026342/htdocs/yamatsu2/wp-includes/html-api/class-wp-html-tag-processor.php:3959 Stack trace: #0 /home/www/026/WS026342/htdocs/yamatsu2/wp-includes/html-api/class-wp-html-tag-processor.php(2481): WP_HTML_Tag_Processor->set_attribute() #1 /home/www/026/WS026342/htdocs/yamatsu2/wp-includes/html-api/class-wp-html-tag-processor.php(4274): WP_HTML_Tag_Processor->class_name_updates_to_attributes_updates() #2 /home/www/026/WS026342/htdocs/yamatsu2/wp-includes/block-supports/layout.php(959): WP_HTML_Tag_Processor->get_updated_html() #3 /home/www/026/WS026342/htdocs/yamatsu2/wp-includes/class-wp-hook.php(326): wp_render_layout_support_flag() #4 /home/www/026/WS026342/htdocs/yamatsu2/wp-includes/plugin.php(205): WP_Hook->apply_filters() #5 /home/www/026/WS026342/htdocs/yamatsu2/wp-includes/class-wp-block.php(638): apply_filters() #6 /home/www/026/WS026342/htdocs/yamatsu2/wp-includes/blocks.php(2359): WP_Block->render() #7 /home/www/026/WS026342/htdocs/yamatsu2/wp-includes/blocks.php(2431): render_block() #8 /home/www/026/WS026342/htdocs/yamatsu2/wp-includes/class-wp-hook.php(324): do_blocks() #9 /home/www/026/WS026342/htdocs/yamatsu2/wp-includes/plugin.php(205): WP_Hook->apply_filters() #10 /home/www/026/WS026342/htdocs/yamatsu2/wp-includes/post-template.php(256): apply_filters() #11 /home/www/026/WS026342/htdocs/yamatsu2/wp-content/themes/yamatsu/page.php(4): the_content() #12 /home/www/026/WS026342/htdocs/yamatsu2/wp-includes/template-loader.php(106): include('...') #13 /home/www/026/WS026342/htdocs/yamatsu2/wp-blog-header.php(19): require_once('...') #14 /home/www/026/WS026342/htdocs/index.php(17): require('...') #15 {main} thrown in /home/www/026/WS026342/htdocs/yamatsu2/wp-includes/html-api/class-wp-html-tag-processor.php on line 3959