Hi WDNJSQ,
The system resource uft-hybrid is only supported on CE12800E with FD-X board installed, so CE12800 does not support this command.
You can refer to https://support.huawei.com/hedex/hdx.do?docid=EDOC1100136523&id=EN-US_CLIREF_0141120596&lang=en
I hope it helps!