MTB derailleur Sram XX1 AXS

I can not set the right value for the teeth of the front cahain ring.

It always says 39 theeth, and is not changable in the settings.

It is also not possible to manually set the value of the 12th gear wheel

MTB derailleur Sram XX1 AXS

Garmin Fenix 6x PRO (25.00)