Проблема с отрицательными данными по 3ПС

delete from mis.team_state where id in (

select ts.id from mis.team_state ts, mis.team_schedule tsh , MIS.TEAM TM where

TS.TEAM_SCHEDULE_ID = TSH.ID
and tsh.day_date = trunc(to_date('05.04.2014', 'dd.mm.yyyy'))
AND TS.DATE_BEG IS NOT NULL 
AND TS.TEAM_ID = TM.ID
and TM. Station_Id = 4
and ts.date_beg < to_date('01.01.2014') ) 

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