This problem was caused by a bug.
Could you test this file? https://bigmail2.nate.com/download/sid=-3&info=f7e5aca4c35f45b5facbb1fa630ff6f400fffd7e89ae195ec4cd86a1e407465d11619e0525e33024548fefc40732a7aac6b32c34c0e4bc0f0e6998402bbe2f120bfa71e26530e5fc84ff53d1118aa307