E: Unable to locate package raspberrypi-kernel-headers

Trying to install xpadneo on OSMC and getting this error

E: Unable to locate package raspberrypi-kernel-headers

any help ?

No clear solution provided in that link but sharing thier issues!
I have visited that link before posting my problem!
The problem is it was working a few months ago. Now after i reinstalled and did some updates now it won’t work

Some details, please.

What commands are you running and what’s the full output?

Are you follwing any instructions?

i’m trying to install xpadneo and following the instructions on github
this is the command i’m running and getting this error

sudo apt-get install dkms linux-headers-uname -r

image