Lỗi cơ sở dữ liệu WordPress: [Duplicate entry '0' for key 'PRIMARY']
INSERT INTO wp_actionscheduler_actions ( `hook`, `status`, `scheduled_date_gmt`, `scheduled_date_local`, `schedule`, `group_id`, `priority`, `args` ) SELECT 'action_scheduler/migration_hook', 'pending', '2026-04-23 21:40:26', '2026-04-23 21:40:26', 'O:30:\"ActionScheduler_SimpleSchedule\":2:{s:22:\"\0*\0scheduled_timestamp\";i:1776980426;s:41:\"\0ActionScheduler_SimpleSchedule\0timestamp\";i:1776980426;}', 1, 10, '[]' FROM DUAL WHERE ( SELECT NULL FROM DUAL ) IS NULL