51bike.com - Database Error

(1054) Unknown column 'w.userid' in 'where clause'

SELECT w.openid FROM home_notification AS h,common_member_wechat AS w WHERE h.uid=w.userid AND h.new=1 AND h.uid>0 AND w.openid<>'' ORDER BY h.id DESC LIMIT 0,1

PHP Debug

No.	File	Line	Code
1	forum.php	57	discuz_application->init()
2	source/class/discuz/discuz_application.php	71	discuz_application->_init_cron()
3	source/class/discuz/discuz_application.php	588	discuz_cron::run()
4	source/class/discuz/discuz_cron.php	48	include(%s)
5	source/plugin/xigua_x/cron/cron_send.php	41	discuz_database::result_first(%s, Array)
6	source/class/discuz/discuz_database.php	123	discuz_database::query(%s, Array, false, false)
7	source/class/discuz/discuz_database.php	142	db_driver_mysql->query(%s, false, false)
8	source/class/db/db_driver_mysql.php	152	db_driver_mysql->halt(%s, %d, %s)
9	source/class/db/db_driver_mysql.php	223	break()

Discuz! Database Error