如何解决：A Mysql error has occurred while running the script:

请教高手PHP网站安装完毕，网页出现以下问题，如何解决：
A Mysql error has occurred while running the script:

The query you are trying to run is invalid
Mysql Error Output: Unknown column 'preferred_seller_exp_date' in 'where clause'
SQL Query: UPDATE probid_users SET preferred_seller=0 WHERE preferred_seller=1 AND preferred_seller_exp_date