Fatal error: Uncaught Error: Call to undefined function astra_check_is_structural_setup() in /var/www/andovercg/staging/wp-content/themes/astra/template-parts/404/404-layout.php:12 Stack trace: #0 {main} thrown in /var/www/andovercg/staging/wp-content/themes/astra/template-parts/404/404-layout.php on line 12