Discuz! Database Error

(1064) You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '7977251'' at line 1
UPDATE forum_thread SET `maxposition`=272,`replies`=`replies`+1,`heats`=`heats`+1,`views`=`views`+1,`lastpost`=1716269494,lastposter='Emma'' WHERE `tid`='7977251'

PHP Debug

No.FileLineCode
1index.php140require(%s)
2portal.php34require_once(%s)
3source/module/portal/portal_index.php32include_once(%s)
4data/template/15_diy_portal_index.tpl.php1hookscriptoutput(%s)
5source/function/function_core.php1210hookscript(%s, %s)
6source/function/function_core.php1173call_user_func(Array, Array)
7plugin_gp_autoreply->global_footer(Array)
8source/plugin/gp_autoreply/hook.class.php88plugin_gp_autoreply->gp_newpost(Array, %s, Array, %s)
9source/plugin/gp_autoreply/hook.class.php138table_forum_thread->update(%s, Array, false, false, %d, true)
10source/class/table/table_forum_thread.php848discuz_database::query(%s, %s)
11source/class/discuz/discuz_database.php139db_driver_mysql->query(%s, false, true)
12source/class/db/db_driver_mysql.php152db_driver_mysql->halt(%s, %d, %s)
13source/class/db/db_driver_mysql.php223break()
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