After upgrading to Ubuntu 12.10, Maya won't start

[Kuantum]

Hi there:

    Maya is found not to start after upgrading to ubuntu 12.10 from 12.04. Attached is the console output:

Kuantum

Console Output:
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[_LOG_LEVEL_INFO 23:06:45.626923] Application.vala:71: Maya version: 0.2
[_LOG_LEVEL_INFO 23:06:45.627091] Application.vala:73: Kernel version: 3.5.0-17-generic
[_LOG_LEVEL_DEBUG 23:06:45.629737] [Gtk] Connecting to session manager
[_LOG_LEVEL_DEBUG 23:06:45.636035] Settings.vala:155: Loading settings from schema 'org.pantheon.Maya.SavedState'
[_LOG_LEVEL_DEBUG 23:06:45.650973] Settings.vala:155: Loading settings from schema 'org.pantheon.Maya.Settings'
[_LOG_LEVEL_WARN 23:06:45.663429] [libecal] e_cal_client_new: Cannot get calendar from factory: The name org.gnome.evolution.dataserver.Calendar1 was not provided by any .service files
[_LOG_LEVEL_WARN 23:06:45.665821] SourceManager.vala:83: The name org.gnome.evolution.dataserver.Calendar1 was not provided by any .service files
[_LOG_LEVEL_FATAL 23:06:45.666035] [e-data-server] e_source_peek_uid: assertion `E_IS_SOURCE (source)' failed
[_LOG_LEVEL_FATAL 23:06:45.666150] Maya will not function properly.
[_LOG_LEVEL_FATAL 23:06:45.666500] [GLib] g_variant_new_string: assertion `string != NULL' failed
[_LOG_LEVEL_FATAL 23:06:45.666652] Maya will not function properly.
[_LOG_LEVEL_FATAL 23:06:45.666860] [GLib-GIO] g_settings_schema_key_type_check: assertion `value != NULL' failed
[_LOG_LEVEL_FATAL 23:06:45.666988] Maya will not function properly.
[_LOG_LEVEL_FATAL 23:06:45.667136] [GLib] g_variant_get_type_string: assertion `value != NULL' failed
[_LOG_LEVEL_FATAL 23:06:45.667248] Maya will not function properly.
[_LOG_LEVEL_FATAL 23:06:45.667407] [GLib-GIO] g_settings_set_value: key 'primary-calendar' in 'org.pantheon.Maya.Settings' expects type 's', but a GVariant of type '(null)' was given
[_LOG_LEVEL_FATAL 23:06:45.667523] Maya will not function properly.
[_LOG_LEVEL_WARN 23:06:45.667671] Settings.vala:302: Key 'primary-calendar' could not be written to.
[_LOG_LEVEL_FATAL 23:06:45.667865] [e-data-server] e_source_peek_uid: assertion `E_IS_SOURCE (source)' failed
[_LOG_LEVEL_FATAL 23:06:45.667981] Maya will not function properly.
**
ERROR:/build/buildd/maya-0.2/obj-x86_64-linux-gnu/Maya/Model/SourceManager.c:454:maya_model_source_manager_construct: assertion failed: (_tmp54_ != NULL)
Aborted