PLS-00103:出现符号"EXCEPTION "在需要下列之一时，oracle中存储过程异常捕获。

create or replace procedure pro_DataCopyAndCheck is
ls_COD varchar2(50);
ls_STA VARCHAR2(1);
ls_LNG VARCHAR2(3);
ld_EMS DATE;
ls_OPR_EMS VARCHAR2(20);
ls_REV VARCHAR2(3);
ld_REV DATE;
ls_OPR_REV VARCHAR2(20);
ls_SIG_PRD VARCHAR2(1);
ls_FIL_LAME VARCHAR2(1);
ls_COD_LAME VARCHAR2(5);
cursor get70TableData is
  select I94_COD_QCP,I94_STA_QCP,I94_LNG_QCP,D94_EMS_QCP,T94_OPR_EMS_QCP,
  I94_REV_QCP,D94_REV_QCP,T94_OPR_REV_QCP,I27_SIG_PRD,
  F94_FIL_LAME,I94_COD_LAME from TGED070_QCP_STANGING;
begin
  open get70TableData;
  fetch get70TableData into
  ls_COD,ls_STA,ls_LNG,ld_EMS,ls_OPR_EMS,ls_REV,ld_REV,
  ls_OPR_REV,ls_SIG_PRD,ls_FIL_LAME,ls_COD_LAME;
  while get70TableData%found loop
  insert into TGED070_QCP values
  (ls_COD,ls_STA,ls_LNG,ld_EMS,ls_OPR_EMS,ls_REV,ld_REV,
  ls_OPR_REV,ls_SIG_PRD,ls_FIL_LAME,ls_COD_LAME);
 
  EXCEPTION
 
  when others then
  ls_COD := " ";
 
  fetch get70TableData into
  ls_COD,ls_STA,ls_LNG,ld_EMS,ls_OPR_EMS,ls_REV,ld_REV,
  ls_OPR_REV,ls_SIG_PRD,ls_FIL_LAME,ls_COD_LAME;