Fatal error: Uncaught Error: Call to undefined function is_checkout() in /opt/bitnami/expo/wp-content/themes/summit-expo/inc/assets.php:3 Stack trace: #0 /opt/bitnami/expo/wp-includes/class-wp-hook.php(307): theme_enqueue_scripts('') #1 /opt/bitnami/expo/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array) #2 /opt/bitnami/expo/wp-includes/plugin.php(474): WP_Hook->do_action(Array) #3 /opt/bitnami/expo/wp-includes/script-loader.php(2115): do_action('wp_enqueue_scri...') #4 /opt/bitnami/expo/wp-includes/class-wp-hook.php(307): wp_enqueue_scripts('') #5 /opt/bitnami/expo/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array) #6 /opt/bitnami/expo/wp-includes/plugin.php(474): WP_Hook->do_action(Array) #7 /opt/bitnami/expo/wp-includes/general-template.php(3042): do_action('wp_head') #8 /opt/bitnami/expo/wp-content/themes/summit-expo/header.php(179): wp_head() #9 /opt/bitnami/expo/wp-includes/template.php(770): require_once('/opt/bitnami/ex...') #10 /opt/bitnami/expo/wp-includes/template.php(7 in /opt/bitnami/expo/wp-content/themes/summit-expo/inc/assets.php on line 3