Error when tab-completing Guix-subcommand in Emacs' Eshell

[Mekeor Melire]

Hello Guix! :)

When I open Emacs ("emacs -q"), run Eshell (M-x eshell RET) and 
type "guix " followed by TAB, why do I get the following error 
message?

--8<---------------cut here---------------start------------->8---
Starting Guix REPL ... [5 times]
guix-geiser-eval: Error in evaluating guile expression: 
ice-9/boot-9.scm:1685:16: In procedure raise-exception:
/home/user/.config/guix/current/share/guile/site/3.0/guix/scripts/deploy.scm:176:7: 
Unknown # object: "#~"

Entering a new prompt.  Type `,bt' for a backtrace or `,q' to 
continue.
scheme@(emacs-guix) [1]>
--8<---------------cut here---------------end--------------->8---