Looks as the burner failed to identify the media.
There is a later firmware version, ver 1.05. (If it's not an OEM writer).
http://se.lgservice.com/index_b2c.jsp
Thanks! But I want to know why it begins the process of writing while it don`t know destination media tape. And I don`t know is this bug fixed in new firmware version, if this effect is bug not a fiture.