Description of problem:
Just after logging into Gnome 3 this happened.

Version-Release number of selected component:
evolution-data-server-3.18.5-1.fc23

Additional info:
reporter:       libreport-2.6.4
backtrace_rating: 4
cmdline:        /usr/libexec/evolution-calendar-factory
crash_function: g_type_check_instance_is_fundamentally_a
executable:     /usr/libexec/evolution-calendar-factory
global_pid:     2275
kernel:         4.4.6-300.fc23.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (9 frames)
 #0 g_type_check_instance_is_fundamentally_a at gtype.c:4033
 #2 on_connection_disconnected at gdbusnamewatching.c:261
 #3 ffi_call_unix64 at ../src/x86/unix64.S:76
 #4 ffi_call at ../src/x86/ffi64.c:525
 #5 g_cclosure_marshal_generic at gclosure.c:1487
 #10 emit_closed_in_idle at gdbusconnection.c:1357
 #14 g_main_context_iteration at gmain.c:3901
 #15 dconf_gdbus_worker_thread at dconf-gdbus-thread.c:82
 #16 g_thread_proxy at gthread.c:778