以下SQL语句执行出错，程序意外中止，请联系官方解决：

select top 1 OnlineTime,UserCount,MaxOnline,MaxolTime,PageCount,UploadNum,MaxAnnounce,MaxAncTime,YesterdayAnc,(select sum(AnnounceNum) from LeadBBS_Boards),(select sum(TopicNum) from LeadBBS_Boards),(select sum(TodayAnnounce) from LeadBBS_Boards),(select top 1 UserName from LeadBBS_User Order by ID DESC) from LeadBBS_SiteInfo

错误描述: 临时磁盘的空间不足。