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\initial-state.php:20 Stack trace: #0 D:\www\wordpress - 安裝環境+外掛測試\02.外掛程式\購物外掛\woocommerce\src\Blocks\Interactivity\load.php(4): require() #1 {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\initial-state.php on line 20