Fatal error: Uncaught Error: Call to undefined function add_action() in D:\www\wordpress - 安裝環境+外掛測試\02.外掛程式\購物外掛\woocommerce\src\Blocks\Interactivity\client-side-navigation.php:9 Stack trace: #0 {main} thrown in D:\www\wordpress - 安裝環境+外掛測試\02.外掛程式\購物外掛\woocommerce\src\Blocks\Interactivity\client-side-navigation.php on line 9