Problems with TL-WN722N V2 (Monitor Mode)

Then that i read this:

https://null-byte.wonderhowto.com/forum/kali-linux-tp-link-tl-wn722n-v2-driver-not-working-0177837/

I've got the same problem but when i type this command:

ifconfig wlan0 down

iwconfig wlan0 mode monitor

ifconfig wlan0 up

it givs:

Error for wireless request "Set Mode" (8B06) :

SET failed on device wlan0 ; Operation not permitted.

Help mee, please

Thank You