The current theme cannot be loaded due to the errors below, please select another theme

you have installed libplist and some other packages from the AUR, that are also in official repos, and now causing you this issue…


but since you cant enter into tty, check this:

especially the runlevel option, and if you manage to enter cli, you can post picture of:
pacman -Qm
if you cant enter it, then you have to chroot and post the output from there, so we can remove the aur packages, and replace them with the official ones…