Discuz! Database Error

(996) Query execution was interrupted, max_statement_time exceeded
DELETE FROM common_session WHERE sid='uZ0GRw' OR lastactivity<1527285815 OR (uid='0' AND ip1='54' AND ip2='224' AND ip3='108' AND ip4='85' AND lastactivity>1527286655)

PHP Debug

No.FileLineCode
1plugin.php47include(%s)
2source/plugin/waterfallportal/waterfallportal.inc.php23include(%s)
3data/template/1_waterfallportal_waterfallportal.tpl.php66include(%s)
4data/template/1_1_common_footer.tpl.php62updatesession()
5source/function/function_core.php27discuz_session::updatesession()
6source/class/discuz/discuz_session.php220discuz_session->update()
7source/class/discuz/discuz_session.php97discuz_session->delete()
8source/class/discuz/discuz_session.php89discuz_container->delete_by_session(Array, %d, %d)
9source/class/discuz/discuz_session.php89discuz_container->__call(%s, Array)
10source/class/discuz/discuz_container.php61table_common_session->delete_by_session(Array, %d, %d)
11source/class/table/table_common_session.php76discuz_database::delete(%s, %s)
12source/class/discuz/discuz_database.php48discuz_database::query(%s, %s)
13source/class/discuz/discuz_database.php136db_driver_mysql->query(%s, false, true)
14source/class/db/db_driver_mysql.php151db_driver_mysql->halt(%s, %d, %s)
15source/class/db/db_driver_mysql.php218break()
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