Delete Positions in Oracle HRMS through API

declare
ld_edds_date date;
ld_edde_date date;
ln_ovn       NUMBER;
cursor c is
select * from hr_all_positions_f   where trunc(creation_date) = trunc(sysdate);
begin
for i in c
loop
ln_ovn := i.OBJECT_VERSION_NUMBER;
hr_position_api.delete_position
  (p_validate                       => false
  ,p_position_id                    => i.position_id
  ,p_effective_start_date           => ld_edds_date
  ,p_effective_end_date             => ld_edde_date
  ,p_object_version_number          => ln_ovn
  ,p_effective_date                 => '01-Jan-1980'
  ,p_datetrack_mode                 => 'ZAP'
  --,p_security_profile_id        in number      default hr_security.get_security_profile
  );
end LOOP;
end;