Fatal error: Uncaught Error: Class "WP_HTML_Tag_Processor" not found in /home2/fincosa1/public_html/wp-includes/blocks/heading.php:27 Stack trace: #0 /home2/fincosa1/public_html/wp-includes/class-wp-block.php(256): block_core_heading_render(Array, '\n\t\t\t\t<h2 style=...', Object(WP_Block)) #1 /home2/fincosa1/public_html/wp-includes/blocks.php(1051): WP_Block->render() #2 /home2/fincosa1/public_html/wp-includes/blocks.php(1089): render_block(Array) #3 /home2/fincosa1/public_html/wp-includes/class-wp-hook.php(308): do_blocks('<!-- wp:cover {...') #4 /home2/fincosa1/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters('<!-- wp:cover {...', Array) #5 /home2/fincosa1/public_html/wp-includes/post-template.php(255): apply_filters('the_content', '<!-- wp:cover {...') #6 /home2/fincosa1/public_html/wp-content/themes/shoppingcart/page.php(39): the_content() #7 /home2/fincosa1/public_html/wp-includes/template-loader.php(106): include('/home2/fincosa1...') #8 /home2/fincosa1/public_html/wp-blog-header.php(19): require_once('/home2/fincosa1...') #9 /home2/fincosa1/public_html/index.php(17): require('/home2/fincosa1...') #10 {main} thrown in /home2/fincosa1/public_html/wp-includes/blocks/heading.php on line 27