Version-Release number of selected component:
gq-1.3.4-33.fc29

Additional info:
reporter:       libreport-2.10.0
backtrace_rating: 4
cmdline:        gq
crash_function: type_node_check_conformities_UorL
executable:     /usr/bin/gq
journald_cursor: s=af1911ceaa4f4915828a843c73f3cd53;i=862d7;b=143e505cdc7f40cda9640c2e82036b35;m=211f48ee5;t=5817844e7c6a5;x=a90a8a77181c48d7
kernel:         4.20.6-200.fc29.x86_64
rootdir:        /
runlevel:       N 5
type:           CCpp
uid:            1001

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 type_node_check_conformities_UorL at gtype.c:3496
 #1 type_node_conforms_to_U at gtype.c:3496
 #2 g_type_is_a at gtype.c:3523
 #3 gq_formfill_set_dt_handler at gq-formfill.c:287
 #4 add_schema_attrs at tinput.c:377
 #5 formlist_from_entry at gq-formfill.c:828
 #6 input_form_set_entry_full at gq-input-form.c:303
 #7 browser_tree_selection_changed at gq-tab-browse.c:360
 #12 _gtk_tree_selection_internal_select_node at gtktreeselection.c:1427
 #14 gtk_tree_view_real_set_cursor at gtktreeview.c:12610

Potential duplicate: bug 1490322