When i run guix pull or other commands which download something, I get this:

Updating channel 'guix' from Git repository at 'https://git.savannah.gnu.org/git/guix.git'...
Building from this channel:
  guix      https://git.savannah.gnu.org/git/guix.git 7b046b1
substitute: ;;; Failed to autoload make-session in (gnutls):
substitute: ;;; missing interface for module (gnutls)
substitute: Backtrace:
substitute:            3 (apply-smob/1 #<catch-closure 55a8301d4840>)
substitute: In ice-9/boot-9.scm:
substitute:     705:2  2 (call-with-prompt _ _ #<procedure default-prompt-handle…>)
substitute: In ice-9/eval.scm:
substitute:     619:8  1 (_ #(#(#<directory (guile-user) 55a830279140>)))
substitute: In guix/ui.scm:
substitute:   1578:12  0 (run-guix-command _ . _)
substitute:
substitute: guix/ui.scm:1578:12: In procedure run-guix-command:
substitute: error: make-session: unbound variable
guix pull: error: build failed: writing to file: Broken pipe

I use Arch with Guix as an additional package manager.