Fatal error: Uncaught TypeError: Return value of WP_HTML_Tag_Processor::get_updated_html() must be of the type string, null returned in /nowy_paczkow24/wp-includes/html-api/class-wp-html-tag-processor.php:4137 Stack trace: #0 /nowy_paczkow24/wp-content/plugins/jetpack/jetpack_vendor/automattic/jetpack-image-cdn/src/class-image-cdn.php(699): WP_HTML_Tag_Processor->get_updated_html() #1 /nowy_paczkow24/wp-includes/class-wp-hook.php(324): Automattic\Jetpack\Image_CDN\Image_CDN::filter_the_content(NULL) #2 /nowy_paczkow24/wp-includes/plugin.php(205): WP_Hook->apply_filters(NULL, Array) #3 /nowy_paczkow24/wp-includes/formatting.php(3965): apply_filters('the_content', '') #4 /nowy_paczkow24/wp-includes/class-wp-hook.php(324): wp_trim_excerpt('', Object(WP_Post)) #5 /nowy_paczkow24/wp-includes/plugin.php(205): WP_Hook->apply_filters('', Array) #6 /nowy_paczkow24/wp-content/plugins/jetpack/_inc/lib/class.media-summary.php(404): apply_filters('get_the_excerpt', '', Object(WP_Post)) #7 /nowy_paczkow24/wp-content/plugins/jetpack/_in in /nowy_paczkow24/wp-includes/html-api/class-wp-html-tag-processor.php on line 4137