管理员在退出的时候出现database error错误，BUG!

Discuz! Database Error(1130) notconnect PHP Debug

No. File Line Code 1 forum.php 49 discuz_application->init() 2 source/class/discuz/discuz_application.php 65 discuz_application->_init_db() 3 source/class/discuz/discuz_application.php 373 discuz_database::init(%s, Array) 4 source/class/discuz/discuz_database.php 23 db_driver_mysql->connect() 5 source/class/db/db_driver_mysql.php 74 db_driver_mysql->_dbconnect(%s, %s, %s, %s, %s, %s) 6 source/class/db/db_driver_mysql.php 87 db_driver_mysql->halt(%s, %d) 7 source/class/db/db_driver_mysql.php 218 break()

管理员在退出的时候出现database error错误，咋办？