I was able to reproduce the build issue, it get fixed with these changes
---
gnu/packages/gnome.scm | 2 ++
1 file changed, 2 insertions(+)
diff --git a/gnu/packages/gnome.scm b/gnu/packages/gnome.scm
index 7e0ee6d314..e15fa6df82 100644
--- a/gnu/packages/gnome.scm
+++ b/gnu/packages/gnome.scm
@@ -59,6 +59,7 @@
;;; Copyright © 2020, 2021 Andy Tai <a...@atai.org>
;;; Copyright © 2020, 2021 Sébastien Lerique <s...@eauchat.org>
;;; Copyright © 2021 Trevor Hass <th...@okstate.edu>
+;;; Copyright © 2021 Solene Rapenne <sol...@perso.pw>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -1180,6 +1181,7 @@ Library reference documentation.")
("pkg-config" ,pkg-config)))
(inputs
`(("avahi" ,avahi)
+ ("gsettings-desktop-schemas" ,gsettings-desktop-schemas)
("libgudev" ,libgudev)
("libsoup" ,libsoup)))
(synopsis "WebDav server implementation using libsoup")
--
2.31.1
