Version-Release number of selected component:
solaar-0.9.2-4.20150528gitcf27328.fc27.6

Additional info:
reporter:       libreport-2.9.3
cmdline:        /usr/bin/python /usr/bin/solaar
crash_function: update
exception_type: AssertionError
executable:     /usr/bin/solaar
kernel:         4.13.15-300.fc27.x86_64
runlevel:       N 5
type:           Python
uid:            1000

Truncated backtrace:
window.py:775:update:AssertionError

Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/solaar/ui/__init__.py", line 165, in _status_changed
    window.update(device, need_popup)
  File "/usr/lib/python2.7/site-packages/solaar/ui/window.py", line 775, in update
    assert item
AssertionError

Local variables in innermost frame:
device: <UnifyingReceiver(/dev/hidraw3,15)>
item: None
is_alive: False
selected_device_id: None
need_popup: 0

Potential duplicate: bug 1506862