Fatal error: Uncaught Error: Call to undefined method WP_HTML_Tag_Processor::class_list() in /home/xs833966/ai-matome.jp/public_html/wp-content/plugins/jetpack-boost/jetpack_vendor/automattic/jetpack-image-cdn/src/class-image-cdn.php:483 Stack trace: #0 /home/xs833966/ai-matome.jp/public_html/wp-includes/class-wp-hook.php(310): Automattic\Jetpack\Image_CDN\Image_CDN::filter_the_content('<a href="https:...') #1 /home/xs833966/ai-matome.jp/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters('<a href="https:...', Array) #2 /home/xs833966/ai-matome.jp/public_html/wp-content/themes/affinger/st-widgets.php(349): apply_filters('widget_text', '<a href="https:...', Array, Object(St_Custom_Html_Widget)) #3 /home/xs833966/ai-matome.jp/public_html/wp-includes/class-wp-widget.php(394): St_Custom_Html_Widget->widget(Array, Array) #4 /home/xs833966/ai-matome.jp/public_html/wp-includes/widgets.php(835): WP_Widget->display_callback(Array, Array) #5 /home/xs833966/ai-matome.jp/public_html/wp-content/themes/affinger/st-header-im in /home/xs833966/ai-matome.jp/public_html/wp-content/plugins/jetpack-boost/jetpack_vendor/automattic/jetpack-image-cdn/src/class-image-cdn.php on line 483