Discuz! Database Error

(1213) Deadlock found when trying to get lock; try restarting transaction
UPDATE forum_attachment SET downloads=downloads+1 WHERE aid IN ('89681458')

PHP Debug

No.FileLineCode
1forum.php242require(%s)
2source/module/forum/forum_attachment.php261attachment_updateviews(%s)
3source/module/forum/forum_attachment.php391table_forum_attachment->update_download(Array, %d)
4source/class/table/table_forum_attachment.php27discuz_database::query(%s, Array, false, true)
5source/class/discuz/discuz_database.php150db_driver_mysql_slave->query(%s, false, true)
6source/class/db/db_driver_mysql_slave.php99db_driver_mysql->query(%s, false, true)
7source/class/db/db_driver_mysql.php188db_driver_mysql->halt(%s, %d, %s)
8source/class/db/db_driver_mysql.php361break()
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