急求：打开网站出现 语句错误 [130]

以下是显示的错误信息：
查询语句错误 [130]
错误信息: Incorrect file format 'pre_common_syscache'
SQL: SELECT /*!40001 SQL_CACHE */ * FROM pre_common_syscache WHERE cname IN ('ipbanned')

点击这里寻求帮助

PHP Backtrace

File	Line	Function
source/class/class_core.php	640	db_mysql->halt()
source/class/class_core.php	822	db_mysql->query()
source/function/function_core.php	593	DB::query()
source/function/function_core.php	536	cachedata()
source/function/function_core.php	2202	loadcache()
source/class/class_core.php	305	ipbanned()
source/class/class_core.php	66	discuz_core->_init_session()
portal.php	21	discuz_core->init()
index.php	68	require()

求大侠帮助，谢谢！