一个执行块报错，请教各位。

superchat

declare
   v_num varchar2(20);
   v_date date;
   v_selnum varchar2(20);
   v_finidate date;
   v_i int;

cursor cur_qqyj is
       select sel_num,finish_date from sp_qqyj where oper_attrib_id='2'  and bureau_id in ('1403','1401');
   begin   
       open cur_qqyj;
       loop
           fetch cur_qqyj into v_num,v_date;
               exit when cur_qqyj%notfound;
       select count(*) into v_i
       from sp_qqyj where sel_num=v_num  and  finish_date<v_date
      and oper_attrib_id='1' group by sel_num;
    if v_i<>0 then
     select sel_num,max(finish_date)
      into v_selnum,v_finidate
      from sp_qqyj where rtrim(ltrim(sel_num))=ltrim(rtrim(v_num))  and  finish_date<v_date
      and oper_attrib_id='1' group by sel_num;
        else
     select 'havenonum',to_date('1900-01-01','yyyy-mm-dd') into  v_selnum,v_finidate from dual;
     end if;
     insert into sp_qqyj_cj
     select v_num,v_date,v_selnum,v_finidate,'' from dual;
     commit ;
    end loop;
    close cur_qqyj;
     end;

superchat

报错：
  ora-01403 :no data found
   ora-06512 :at line 15

numenhuang

if v_i<>0 then
     select sel_num,max(finish_date)
      into v_selnum,v_finidate
      from sp_qqyj where rtrim(ltrim(sel_num))=ltrim(rtrim(v_num))  and  finish_date<v_date
      and oper_attrib_id='1' group by sel_num;

应该是这里没有返回数据