Fatal error: Uncaught Error: Call to undefined function twenty_twenty_one_the_posts_navigation() in /var/www/html/wp-content/themes/brica/index.php:38
Stack trace:
#0 /var/www/html/wp-includes/template-loader.php(106): include()
#1 /var/www/html/wp-blog-header.php(19): require_once('/var/www/html/w...')
#2 /var/www/html/index.php(17): require('/var/www/html/w...')
#3 {main}
thrown in /var/www/html/wp-content/themes/brica/index.php on line 38