Description of problem:
Try and install Fedora 44 using a kickstart that specifies a non-existent package. This should trigger a warning message you can click through; instead it causes a crash.

Version-Release number of selected component:
anaconda-44.30


The following was filed automatically by anaconda:
anaconda 44.30 exception report
Traceback (most recent call first):
  File "/usr/lib/python3.14/site-packages/dasbus/client/handler.py", line 509, in _handle_method_error
    raise exception from None
  File "/usr/lib/python3.14/site-packages/dasbus/client/handler.py", line 483, in _get_method_reply
    return self._handle_method_error(error)
  File "/usr/lib/python3.14/site-packages/dasbus/client/handler.py", line 450, in _call_method
    return self._get_method_reply(
  File "/usr/lib64/python3.14/site-packages/pyanaconda/ui/gui/spokes/installation_progress.py", line 78, in _on_installation_done
    self._task_proxy.Finish()
  File "/usr/lib/python3.14/site-packages/dasbus/signal.py", line 53, in emit
    callback(*args, **kwargs)
  File "/usr/lib/python3.14/site-packages/dasbus/client/handler.py", line 365, in _signal_callback
    callback(*unwrap_variant(parameters))
  File "/usr/lib/python3.14/site-packages/dasbus/client/handler.py", line 133, in _signal_callback
    callback(parameters, *callback_args)
pyanaconda.modules.common.errors.installation.NonCriticalInstallationError: No match for argument: nonexistentpackage

Additional info:
comment:        Try and install Fedora 44 using a kickstart that specifies a non-existent package. This should trigger a warning message you can click through; instead it causes a crash.
cmdline:        /usr/bin/python3  /usr/bin/anaconda
executable:     /usr/bin/anaconda
hashmarkername: anaconda
product:        Fedora
reason:         pyanaconda.modules.common.errors.installation.NonCriticalInstallationError: No match for argument: nonexistentpackage
package:        anaconda-44.30
type:           anaconda
release:        Fedora release 44 (Forty Four)
cmdline_file:   BOOT_IMAGE=/images/pxeboot/vmlinuz inst.stage2=hd:LABEL=Fedora-E-dvd-x86_64-44 quiet inst.ks=https://fedorapeople.org/groups/qa/kickstarts/root-user-crypted-net-badpackage.ks
addons:         com_redhat_kdump
kernel:         6.19.10-300.fc44.x86_64
version:        44