Kdevelop crashes when attempting to open file: settings schema is not installed

NixOS Version: NixOS 26.05 Yarara

Desktop Environment: GNOME

When I attempt to open a project in Kdevelop, the app crashes. This is the same for when I try to open documents in Okular, but no such issue exists with Document Viewer nor with Konsole.

When I open Kdevelop in the terminal, this is the output I get. GLib-GIO error occurs as soon as I attempt to open a project in the app; the result is the same for Okular, though the error numbers differ.

qt.multimedia.symbolsresolver: Couldn't load pipewire-0.3 library
qt.multimedia.symbolsresolver: Couldn't resolve pipewire-0.3 symbols
kdevplatform.serialization: version mismatch or no version hint; expected version: 100990980
kdevplatform.serialization: "The data-repository at /home/akm/.cache/kdevduchain/kdevelop-{c2bacc3a-784d-4bf4-ba19-381b9104b577} has to be cleared."
kdevplatform.util: Path::init: invalid/unsupported Path encountered:  http://clang-tidy
qt.qpa.services: Failed to register with host portal QDBusError("org.freedesktop.portal.Error.Failed", "Could not register app ID: Connection already associated with an application ID")

(kdevelop:3091): GLib-GIO-ERROR **: 10:57:16.140: Settings schema 'org.gtk.Settings.FileChooser' is not installed
Aborted      

Additional information: There is no gsettings nor glib directory in my ~/.local/share directory, though there is Kdevelop. I am currently using gtk4. I’ve fiddled around with my configuration.nix quite a bit and it is available for viewing on GitHub: t14nixfiles/configuration.nix at 9acf1f41e29207340d1aafd0b84b0382104afafa · AKMscutoid/t14nixfiles · GitHub

Finally, I don’t know if any of this will be helpful, but I’ll provide it anyway: I’ve also tried using Hyprland, but while it is available as an option in the GNOME login menu when starting my machine, it crashes into GNOME immediately when I try to login from said screen (though I have to enter my password twice). I am using a Lenovo T14 ThinkPad.