I can reliably reproduce this by just launching gnome-calendar on mantic. This looks to be the same issue as the upstream https://gitlab.gnome.org/GNOME/gnome-calendar/-/issues/1106 which has an associated fix in https://gitlab.gnome.org/GNOME/gnome- calendar/-/merge_requests/366
** Bug watch added: gitlab.gnome.org/GNOME/gnome-calendar/-/issues #1106 https://gitlab.gnome.org/GNOME/gnome-calendar/-/issues/1106 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-calendar in Ubuntu. https://bugs.launchpad.net/bugs/2041478 Title: /usr/bin/gnome- calendar:6:g_assertion_message:g_assertion_message_expr:recalculate_layout_blocks:gcal_month_view_row_add_event:gcal_month_view_add_event To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-calendar/+bug/2041478/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs