Fatal error: Uncaught Error: Class 'ActionScheduler_Lock' not found in D:\www\wordpress - 安裝環境+外掛測試\02.外掛程式\常用外掛\wp-mail-smtp\vendor\woocommerce\action-scheduler\classes\ActionScheduler_OptionLock.php:10 Stack trace: #0 {main} thrown in D:\www\wordpress - 安裝環境+外掛測試\02.外掛程式\常用外掛\wp-mail-smtp\vendor\woocommerce\action-scheduler\classes\ActionScheduler_OptionLock.php on line 10