select z.*
  from (select v.*,
               sa.status_desc sa_status_desc,
               d.val          db_status_desc,
               cm.val         cm_status_desc
          from (select 
-- набор полей
                  from t1 t,
                       m1  mt
                 where (((t.id_dev = :P33_ID_DEV) and (:P33_CODE in ('M', 'R'))) or (:P33_CODE in ('S')))
                   and t.id_sam = :P33_ID_SAM
                   and t.msg_id = mt.msg_tp
                   and t.reg_date >= :P33_FROM_DT 
                   and t.reg_date < (:P33_TO_DT + 1)) v, -- ошибка на этой строке
               msg_status sa,
               (select a.code,
                       a.val
                  from acs_domain_val a
                 where upper(a.domain_ref) = 'MSG_DB_STATUS') d,
               (select c.code,
                       c.val
                  from acs_domain_val c
                 where upper(c.domain_ref) = 'MSG_COMP_STATUS') cm
         where v.sa_status = sa.status
           and v.db_status = d.code
           and v.cm_status = cm.code
         order by v.tel_id desc) z
 where ((:P33_ROWS is null) or (rownum <= :P33_ROWS))