Fatal error: Uncaught Error: Call to undefined function wp_is_json_request() in /usr/www/users/gaestey/wordpress/wp-content/themes/Divi/includes/builder/feature/dynamic-assets/dynamic-assets.php:159 Stack trace: #0 /usr/www/users/gaestey/wordpress/wp-content/themes/Divi/includes/builder/feature/dynamic-assets/dynamic-assets.php(223): et_is_dynamic_front_end_request() #1 /usr/www/users/gaestey/wordpress/wp-content/themes/Divi/includes/builder/feature/CriticalCSS.php(174): et_should_generate_dynamic_assets() #2 /usr/www/users/gaestey/wordpress/wp-includes/class-wp-hook.php(286): ET_Builder_Critical_CSS->enable_builder(Array) #3 /usr/www/users/gaestey/wordpress/wp-includes/plugin.php(203): WP_Hook->apply_filters(Array, Array) #4 /usr/www/users/gaestey/wordpress/wp-content/themes/Divi/includes/builder/class-et-builder-element.php(1695): apply_filters('et_builder_modu...', Array) #5 /usr/www/users/gaestey/wordpress/wp-content/themes/Divi/includes/builder/class-et-builder-element.php(895): ET_Builder_Element::setup_advanced_sty in /usr/www/users/gaestey/wordpress/wp-content/themes/Divi/includes/builder/feature/dynamic-assets/dynamic-assets.php on line 159