Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($function) must be a valid callback, function "wp_enable_block_templates" not found or invalid function name in /var/www/web27678337/html/wp-includes/class-wp-hook.php:303 Stack trace: #0 /var/www/web27678337/html/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters(NULL, Array) #1 /var/www/web27678337/html/wp-includes/plugin.php(470): WP_Hook->do_action(Array) #2 /var/www/web27678337/html/wp-settings.php(492): do_action('setup_theme') #3 /var/www/web27678337/html/wp-config.php(115): require_once('/var/www/web276...') #4 /var/www/web27678337/html/wp-load.php(50): require_once('/var/www/web276...') #5 /var/www/web27678337/html/wp-blog-header.php(13): require_once('/var/www/web276...') #6 /var/www/web27678337/html/index.php(17): require('/var/www/web276...') #7 {main} thrown in /var/www/web27678337/html/wp-includes/class-wp-hook.php on line 303