Fatal error: Uncaught Error: Call to undefined function wp_is_serving_rest_request() in /var/www/web281/html/dresdenrollt/wp-includes/rest-api.php:3413 Stack trace: #0 /var/www/web281/html/dresdenrollt/wp-includes/script-loader.php(2590): wp_is_rest_endpoint() #1 /var/www/web281/html/dresdenrollt/wp-includes/script-loader.php(1773): wp_should_load_separate_core_block_assets() #2 /var/www/web281/html/dresdenrollt/wp-includes/class-wp-hook.php(324): wp_default_styles(Object(WP_Styles)) #3 /var/www/web281/html/dresdenrollt/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array) #4 /var/www/web281/html/dresdenrollt/wp-includes/plugin.php(565): WP_Hook->do_action(Array) #5 /var/www/web281/html/dresdenrollt/wp-includes/class-wp-styles.php(135): do_action_ref_array('wp_default_styl...', Array) #6 /var/www/web281/html/dresdenrollt/wp-includes/functions.wp-styles.php(24): WP_Styles->__construct() #7 /var/www/web281/html/dresdenrollt/wp-includes/functions.wp-styles.php(132): wp_styles() #8 /var/www/web281/html/dresden in /var/www/web281/html/dresdenrollt/wp-includes/rest-api.php on line 3413