What is this dkms problem?

[linux-aarhus]

[root tip] [How To] Kernel - Headers - DKMS

What you will learn You will learn why AUR packages tend to create issues when they depend on DKMS and thus specific kernel headers. You will also learn what DKMS is and how to mitigate build issues with DKMS package and other packages depending on the kernel headers. Finally you will learn why the kernel headers is not present by default. What is DKMS DKMS is an acronym for Dynamic Kernel Module Service and is a set of scripts which can update your custom build drivers upon updating your k…

@saeedjeddi

I had already installed!
linux-headers

AUR pkgbuilds are for Arch Linux.

That is not enough - you need to specify which header package or select the correct package when challenged - this is not automagically done.