Fatal error: Uncaught Error: Class 'WP_Block_List' not found in /home/u7518980/public_html/wp-includes/class-wp-block.php:141 Stack trace: #0 /home/u7518980/public_html/wp-includes/blocks.php(737): WP_Block->__construct(Array, Array) #1 /home/u7518980/public_html/wp-includes/blocks.php(777): render_block(Array) #2 /home/u7518980/public_html/wp-includes/class-wp-hook.php(287): do_blocks('<!-- wp:paragra...') #3 /home/u7518980/public_html/wp-includes/plugin.php(212): WP_Hook->apply_filters('<!-- wp:paragra...', Array) #4 /home/u7518980/public_html/wp-includes/post-template.php(253): apply_filters('the_content', '<!-- wp:paragra...') #5 /home/u7518980/public_html/wp-content/themes/mading/single.php(69): the_content() #6 /home/u7518980/public_html/wp-includes/template-loader.php(106): include('/home/u7518980/...') #7 /home/u7518980/public_html/wp-blog-header.php(14): require_once('/home/u7518980/...') #8 /home/u7518980/public_html/index.php(15): require('/home/u7518980/...') #9 {main} thrown in /home/u7518980/public_html/wp-includes/class-wp-block.php on line 141