登录出现的错误

登录出现的错误
SELECT uchome_spacefield.uid,uchome_spacefield.friend,uchome_space.spacename,uchome_space.username,uchome_spacefield.email FROM uchome_space,uchome_spacefield WHERE uchome_space.updatetime < '1218762203' AND uchome_space.uid=uchome_spacefield.uid
Error: Unknown column 'uchome_space.spacename' in 'field list'

1.5版本的，是偶尔出错，刷新一次就可以成功显示了，请说明

MySQL Error
Message: MySQL Query Error
SQL: SELECT cn0512home_spacefield.uid,cn0512home_spacefield.friend,cn0512home_space.spacename,cn0512home_space.username,cn0512home_spacefield.email FROM cn0512home_space,cn0512home_spacefield WHERE cn0512home_space.updatetime < '1218765207' AND cn0512home_space.uid=cn0512home_spacefield.uid
Error: Unknown column 'cn0512home_space.spacename' in 'field list'
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没有这个字段
请检查你的程序文件是否为最新的
对照升级说明重新升级下看看