Application crashes when opening a modpack

[wiresnchains]

Please confirm the following.

• I checked the existing issues for duplicate problems
• I have tried resolving the issue using the support portal
• I have ensured my Modrinth App installation is up to date

What version of the Modrinth App are you using?

0.12.4

What operating systems are you seeing the problem on?

Linux

Describe the bug

When running modrinth and choosing one of the installed modpacks, the application simply crashes with zero logs

When running modrinth and choosing one of the installed modpacks, the application simply crashes with zero logs

```sh
~$ flatpak run -v com.modrinth.ModrinthApp
F: No installations directory in /etc/flatpak/installations.d. Skipping
F: Opening system flatpak installation at path /var/lib/flatpak
F: Opening user flatpak installation at path /home/me/.local/share/flatpak
F: Opening user flatpak installation at path /home/me/.local/share/flatpak
F: Skipping parental controls check for app/com.modrinth.ModrinthApp/x86_64/stable since parental controls are disabled globally
F: Opening user flatpak installation at path /home/me/.local/share/flatpak
F: Opening system flatpak installation at path /var/lib/flatpak
F: /var/lib/flatpak/runtime/org.gnome.Platform/x86_64/49/b1b0efe2b2d26769af2871419ee5edfc0b9704467e3fb4892a9df8bc34cb2a0e/files/lib32 does not exist
F: Cleaning up unused container id 2239069498
F: Cleaning up per-app-ID state for com.modrinth.ModrinthApp
F: Cleaning up unused container id 2913212625
F: Cleaning up per-app-ID state for com.modrinth.ModrinthApp
F: Allocated instance id 3153587114
F: Add defaults in dir /com/modrinth/ModrinthApp/
F: Add locks in dir /com/modrinth/ModrinthApp/
F: Allowing wayland access
F: Allowing pulseaudio access
F: Running 'bwrap --args 43 -- xdg-dbus-proxy --args=39'
F: Running 'bwrap --args 41 -- modrinth-app'
~$ 

Steps to reproduce

1. Open modrinth app
2. Open any of the installed modpacks

Expected behavior

1. Opened modrinth app
2. Opened any of the installed modpacks
3. Application runs without crashing

Additional context

Desktop environment: KDE Plasma
OS: Kubuntu 25.10