Good morning @Jeremi360. It seems you’re attempting to install the wrong versions of pamac packages because libpamac-aur 11.6.4-2 is old and will not work. You also need to manually change the pacman.conf “Architecture” statement or pamac will not work, and you also need to change the “IgnorePkg” statement so pamac won’t try to change the correct pamac packages you install. So I’ll give you more detailed instructions that will hopefully help.
First, open a command terminal and execute the following command:
yay -a libpamac-aur
A list of packages will appear and after that a message that says “==> Packages to install (eg: 1 2 3, 1-3 or ^4)”. This message is asking for the number of the package you want to install, and you simply need to type the number “1”. After that just hit enter for the other questions and then “libpamac-aur 11.7.3-2” will be installed.
Next enter the following command:
yay -a pamac-aur
A list of packages will again appear and after that the message asking you to pick one, and once again you enter the number “1”. Again just hit enter for the other questions and then “pamac-aur 11.7.2-3” will be installed.
Now you will have the correct pamac-aur and libpamac-aur packages installed. The next step is to edit “/etc/pacman.conf” with your favorite text editor and change the Architecture and IgnorePkg statements. I use Mousepad so here’s an example:
sudo mousepad /etc/pacman.conf
Now find the “Architecture” statement and change it to “Architecture = x86_64 x86_64_v3”. Then find the “IgnorePkg” statement and change it to “IgnorePkg = pamac-aur libpamac-aur” (this tells pamac not to upgrade the pamac-aur and libpamac-aur packages you just installed).
Now reboot and you should have a working pamac installation.
Finally, I want to make sure you’re aware that the official package manager of CachyOS is “octopi”. This works fine, but the GUI is so incredibly convoluted that some people with visual difficulties can’t read it. I don’t have any visual problems, but even for me it’s difficult to use which is why I and so many others prefer pamac. Also don’t get confused with the terms “pacman” and “pamac”, as “pacman” is the command line program, and “pamac” is the GUI for it.
But you can always try octopi if you want. In that case you would uninstall pamac and install octopi with the following commands:
sudo pacman -R libpamac-aur pamac-aur
sudo pacman -S octopi
Once again if you need more help please let me know and I’ll respond as soon as possible.