StacktraceTop: gdk_rgba_to_string () from /tmp/apport_sandbox_t8ek7h3c/usr/lib/x86_64-linux-gnu/libgdk-3.so.0 update_color (self=0x5587392d9c10) at ../src/gui/gcal-event-widget.c:281 gcal_event_widget_set_event_internal (event=0x0, self=0x5587392d9c10) at ../src/gui/gcal-event-widget.c:499 gcal_event_widget_set_property (object=<optimized out>, property_id=4, value=0x7fff454b0180, pspec=<optimized out>) at ../src/gui/gcal-event-widget.c:802 g_object_new_internal () from /tmp/apport_sandbox_t8ek7h3c/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
StacktraceTop: sandbox_ t8ek7h3c/ usr/lib/ x86_64- linux-gnu/ libgdk- 3.so.0 d9c10) at ../src/ gui/gcal- event-widget. c:281 widget_ set_event_ internal (event=0x0, self=0x5587392d 9c10) at ../src/ gui/gcal- event-widget. c:499 widget_ set_property (object=<optimized out>, property_id=4, value=0x7fff454 b0180, pspec=<optimized out>) at ../src/ gui/gcal- event-widget. c:802 new_internal () from /tmp/apport_ sandbox_ t8ek7h3c/ usr/lib/ x86_64- linux-gnu/ libgobject- 2.0.so. 0
gdk_rgba_to_string () from /tmp/apport_
update_color (self=0x5587392
gcal_event_
gcal_event_
g_object_