Fatal error: Uncaught Error: Class 'WP_HTML_Tag_Processor' not found in /home/users/2/architex01/web/architex/wp/wp-includes/blocks/heading.php:27 Stack trace: #0 /home/users/2/architex01/web/architex/wp/wp-includes/class-wp-block.php(258): block_core_heading_render(Array, '\n<h2 class="wp-...', Object(WP_Block)) #1 /home/users/2/architex01/web/architex/wp/wp-includes/blocks.php(1072): WP_Block->render() #2 /home/users/2/architex01/web/architex/wp/wp-includes/blocks.php(965): render_block(Array) #3 /home/users/2/architex01/web/architex/wp/wp-includes/formatting.php(3925): excerpt_remove_blocks('<!-- wp:heading...') #4 /home/users/2/architex01/web/architex/wp/wp-includes/class-wp-hook.php(308): wp_trim_excerpt('<!-- wp:heading...', Object(WP_Post)) #5 /home/users/2/architex01/web/architex/wp/wp-includes/plugin.php(205): WP_Hook->apply_filters('', Array) #6 /home/users/2/architex01/web/architex/wp/wp-includes/post-template.php(431): apply_filters('get_the_excerpt', '', Object(WP_Post)) #7 /home/users/2/architex01/web/archit in /home/users/2/architex01/web/architex/wp/wp-includes/blocks/heading.php on line 27