LSMW recording using TCODE MMCC is not capturing MATNR field

We are successful the process of replicating astir 10000 materials which beryllium successful aggregate plants. If the fig scope is internal, I'm having nary issues. But for materials with outer fig range, I'm not capable to seizure the MATNR tract successful MMCC transaction adjacent aft entering a worth successful the tract during the recording. Any thought however to get this done. A speedy reply would beryllium overmuch appreciated.