Description of problem:
adding an appointment, to a 2008 SBS server, one of two accounts on this machine. After trying to submit changes, it ended abnormally.

Version-Release number of selected component:
evolution-3.6.4-2.fc18

Additional info:
backtrace_rating: 4
cmdline:        evolution
crash_function: safe_toggle_activate
executable:     /usr/bin/evolution
kernel:         3.8.3-203.fc18.x86_64
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 safe_toggle_activate at e-source-selector.c:119
 #1 gtk_cell_area_activate_cell at gtkcellarea.c:3406
 #2 gtk_cell_area_real_activate at gtkcellarea.c:1477
 #3 gtk_tree_view_start_editing at gtktreeview.c:15598
 #4 gtk_tree_view_real_select_cursor_row at gtktreeview.c:10704
 #5 _gtk_marshal_BOOLEAN__BOOLEAN at gtkmarshalers.c:2066
 #8 g_signal_emitv at gsignal.c:3041
 #9 gtk_binding_entry_activate at gtkbindings.c:651
 #10 binding_activate at gtkbindings.c:1523
 #11 gtk_bindings_activate_list at gtkbindings.c:1584