Fatal error: Uncaught Error: Call to undefined function twenty_twenty_one_the_posts_navigation() in /home2/writecxc/public_html/wp-content/themes/twentytwentyone-child/index.php:36 Stack trace: #0 /home2/writecxc/public_html/wp-includes/template-loader.php(106): include() #1 /home2/writecxc/public_html/wp-blog-header.php(19): require_once('/home2/writecxc...') #2 /home2/writecxc/public_html/index.php(17): require('/home2/writecxc...') #3 {main} thrown in /home2/writecxc/public_html/wp-content/themes/twentytwentyone-child/index.php on line 36