安装IPB论坛的时候出现错误

流浪的小猪

ERROR: Cannot find database ?

There appears to be an error with the Invision Power Board database.
You can try to refresh the page by clicking here, if this does not fix the error, you can contact the board administrator by clicking here

Error Returned
mySQL query error: DELETE FROM ibf_sessions WHERE running_time < 1073639734 or ip_address='61.55.18.82'

mySQL error: No Database Selected
mySQL error code:
Date: Friday 09th of January 2004 06:15:34 PM
请问这个是什么原因？