Gnome boxes crashes when creating a new box
When I try to create a new box, gnome-boxes crashes, and in a terminal I receive all these messages:
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.829: util-app.vala:194: Failed to find OS with id: 'http://gnome.org/gnome/nightly': Unknown OS ID 'http://gnome.org/gnome/nightly'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.830: util-app.vala:194: Failed to find OS with id: 'http://gnome.org/gnome/nightly': Unknown OS ID 'http://gnome.org/gnome/nightly'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.830: util-app.vala:194: Failed to find OS with id: 'http://gnome.org/gnome/nightly': Unknown OS ID 'http://gnome.org/gnome/nightly'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.830: util-app.vala:194: Failed to find OS with id: 'http://redhat.com/rhel/8.1': Unknown OS ID 'http://redhat.com/rhel/8.1'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.830: util-app.vala:194: Failed to find OS with id: 'http://redhat.com/rhel/8.1': Unknown OS ID 'http://redhat.com/rhel/8.1'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.830: util-app.vala:194: Failed to find OS with id: 'http://redhat.com/rhel/8.1': Unknown OS ID 'http://redhat.com/rhel/8.1'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.830: util-app.vala:194: Failed to find OS with id: 'http://fedoraproject.org/fedora/31': Unknown OS ID 'http://fedoraproject.org/fedora/31'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.830: util-app.vala:194: Failed to find OS with id: 'http://fedoraproject.org/fedora/31': Unknown OS ID 'http://fedoraproject.org/fedora/31'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.830: util-app.vala:194: Failed to find OS with id: 'http://fedoraproject.org/fedora/31': Unknown OS ID 'http://fedoraproject.org/fedora/31'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.830: util-app.vala:194: Failed to find OS with id: 'http://fedoraproject.org/silverblue/31': Unknown OS ID 'http://fedoraproject.org/silverblue/31'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.830: util-app.vala:194: Failed to find OS with id: 'http://fedoraproject.org/silverblue/31': Unknown OS ID 'http://fedoraproject.org/silverblue/31'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.830: util-app.vala:194: Failed to find OS with id: 'http://fedoraproject.org/silverblue/31': Unknown OS ID 'http://fedoraproject.org/silverblue/31'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.830: util-app.vala:194: Failed to find OS with id: 'http://ubuntu.com/ubuntu/19.10': Unknown OS ID 'http://ubuntu.com/ubuntu/19.10'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.830: util-app.vala:194: Failed to find OS with id: 'http://ubuntu.com/ubuntu/19.10': Unknown OS ID 'http://ubuntu.com/ubuntu/19.10'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.830: util-app.vala:194: Failed to find OS with id: 'http://ubuntu.com/ubuntu/19.10': Unknown OS ID 'http://ubuntu.com/ubuntu/19.10'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.830: util-app.vala:194: Failed to find OS with id: 'http://endlessos.com/eos/3.7': Unknown OS ID 'http://endlessos.com/eos/3.7'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.831: util-app.vala:194: Failed to find OS with id: 'http://endlessos.com/eos/3.7': Unknown OS ID 'http://endlessos.com/eos/3.7'
(gnome-boxes:20989): Boxes-WARNING **: 15:36:24.832: util-app.vala:194: Failed to find OS with id: 'http://endlessos.com/eos/3.7': Unknown OS ID 'http://endlessos.com/eos/3.7'