Bl301 injection, problems, help,

Hi
I have a problem with BL301 injection tool:

CoreELEC (official): nightly_20190815 (Amlogic-ng.arm)
CoreELEC:~ # inject_bl301
Starting bootloader blob BL301 injection tool v0.1…

Device serial number: 290a400001201200000c303254524d50
Using CPU type G12B (29): S922X, A311D
System is not supported by BL301.bin injection: g12b_s922x_odroid_n2
CoreELEC:~ #

What am I doing wrong? Thank you