Fatal error: Uncaught Error: Call to undefined function is_customize_preview() in /customers/0/1/7/dewymulder.com/httpd.www/wp-content/themes/twentytwentyone/functions.php:321 Stack trace: #0 /customers/0/1/7/dewymulder.com/httpd.www/wp-includes/plugin.php(470): twenty_twenty_one_setup('') #1 /customers/0/1/7/dewymulder.com/httpd.www/wp-settings.php(336): do_action('after_setup_the...') #2 /customers/0/1/7/dewymulder.com/httpd.www/wp-config.php(96): require_once('/customers/0/1/...') #3 /customers/0/1/7/dewymulder.com/httpd.www/wp-load.php(29): require_once('/customers/0/1/...') #4 /customers/0/1/7/dewymulder.com/httpd.www/wp-blog-header.php(12): require_once('/customers/0/1/...') #5 /customers/0/1/7/dewymulder.com/httpd.www/index.php(17): require('/customers/0/1/...') #6 {main} thrown in /customers/0/1/7/dewymulder.com/httpd.www/wp-content/themes/twentytwentyone/functions.php on line 321