早上起来就变天了，The database has encountered a problem，怎么办？

提示：


Discuz! Database Error
The database has encountered a problem. Need Help?
Error messages:
[Type] 查询语句错误
[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 ')' at line 1
[Query] select uid,username,password from common_member where uid in ()

Program messages:
[Line: 0060]forum.php(require)
[Line: 0275]source/module/forum/forum_index.php(include)
[Line: 0001]data/template/4_diy_forum_discuz.tpl.php(hookscriptoutput)
[Line: 1278]source/function/function_core.php(hookscript)
[Line: 1242]source/function/function_core.php(plugin_kk_repeats->global_footer)
[Line: 0014]source/plugin/kk_repeats/kk_repeats.class.php(plugin_kk_repeats->_getMasterInfo)
[Line: 0152]source/plugin/kk_repeats/kk_repeats.class.php(plugin_kk_repeats->_fetchRepeats)
[Line: 0125]source/plugin/kk_repeats/kk_repeats.class.php(plugin_kk_repeats->_fetchRepeatGroups)
[Line: 0107]source/plugin/kk_repeats/kk_repeats.class.php(plugin_kk_repeats->_parseGroups)
[Line: 0090]source/plugin/kk_repeats/kk_repeats.class.php(DB->query)
[Line: 0985]source/class/class_core.php(DB->_execute)