QCAD crashes on file save

[Bart]

Hi, I am having a similar issue. May be unrelated, sorry if so.
It was solved using the following from the terminal window.
(crash info at the bottom)

$ cd /usr/lib64/qcad/
$ QT_QPA_PLATFORM=xcb LD_LIBRARY_PATH=. ./qcad-bin

(ref https://www.qcad.org/rsforum/viewtopic.php?t=11977)

System Info:

New install on latest Fedora 43
rpm from the Fedora repository
qcad-3.32.4.0-3.fc43.x86_64 rpm

Version:
3.32.4.0 (3.32.4)
Internet:
QCAD.org
Build Date:
Sep 13 2025
Revision:

Qt Version:
5.15.18
Architecture:
x86_64
Compiler:
gcc 15.2.1

No drawing file. Just try and save as at the start of fie creation.

----------------------- Crash info dumped to terminal ---------------------------------------------
qcad-bin:91632): Gtk-WARNING **: 07:55:05.803: Could not load a pixbuf from icon theme.
This may indicate that pixbuf loaders or the mime database could not be found.
**
Gtk:ERROR:../gtk/gtkiconhelper.c:495:ensure_surface_for_gicon: assertion failed (error == NULL): Failed to load /usr/share/icons/mate/16x16/status/image-missing.png: Could not spawn the following command. Is the used binary available? `"bwrap" "--unshare-all" "--die-with-parent" "--chdir" "/" "--ro-bind" "/usr" "/usr" "--dev" "/dev" "--ro-bind-try" "/etc/ld.so.cache" "/etc/ld.so.cache" "--ro-bind-try" "/nix/store" "/nix/store" "--tmpfs" "/tmp-home" "--tmpfs" "/tmp-run" "--clearenv" "--setenv" "HOME" "/tmp-home" "--setenv" "XDG_RUNTIME_DIR" "/tmp-run" "--setenv" "XDG_RUNTIME_DIR" "/run/user/1000" "--symlink" "/usr/lib" "/lib" "--symlink" "/usr/lib64" "/lib64" "--seccomp" "34" "/usr/libexec/glycin-loaders/2+/glycin-image-rs" "--dbus-fd" "33"`: No such file or directory (os error 2) (gdk-pixbuf-error-quark, 0)
Bail out! Gtk:ERROR:../gtk/gtkiconhelper.c:495:ensure_surface_for_gicon: assertion failed (error == NULL): Failed to load /usr/share/icons/mate/16x16/status/image-missing.png: Could not spawn the following command. Is the used binary available? `"bwrap" "--unshare-all" "--die-with-parent" "--chdir" "/" "--ro-bind" "/usr" "/usr" "--dev" "/dev" "--ro-bind-try" "/etc/ld.so.cache" "/etc/ld.so.cache" "--ro-bind-try" "/nix/store" "/nix/store" "--tmpfs" "/tmp-home" "--tmpfs" "/tmp-run" "--clearenv" "--setenv" "HOME" "/tmp-home" "--setenv" "XDG_RUNTIME_DIR" "/tmp-run" "--setenv" "XDG_RUNTIME_DIR" "/run/user/1000" "--symlink" "/usr/lib" "/lib" "--symlink" "/usr/lib64" "/lib64" "--seccomp" "34" "/usr/libexec/glycin-loaders/2+/glycin-image-rs" "--dbus-fd" "33"`: No such file or directory (os error 2) (gdk-pixbuf-error-quark, 0)
/usr/bin/qcad: line 3: 91632 Aborted (core dumped) /usr/lib64/qcad/qcad-bin "$@"
------------------------------------------------------------------------------

[CVH]

Hi,

Seems to be an actual problem e.g. this topic
There are other reports involving Linux based.

Regards,
CVH