Error with label field not found when enabling CiviCase

On drupal.demo.civicrm.org just now (http://drupal.demo.civicrm.org/civicrm/admin/setting/component?reset=1), attempted to enable CiviCase and got the following:

backTrace

#0 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/CRM/Core/Error.php(148): CRM_Core_Error::backtrace()
#1 [internal function](): CRM_Core_Error::handle(Object(DB_Error))
#2 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/packages/PEAR.php(931): call_user_func((Array:2), Object(DB_Error))
#3 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/packages/DB.php(969): PEAR_Error->PEAR_Error("DB Error: no such field", -19, 16, (Array:2), "INSERT INTO `civicrm_option_value` ( `option_group_id`, `label`, `value`, `n...")
#4 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/packages/PEAR.php(564): DB_Error->DB_Error(-19, 16, (Array:2), "INSERT INTO `civicrm_option_value` ( `option_group_id`, `label`, `value`, `n...")
#5 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/packages/DB/common.php(1905): PEAR->raiseError(NULL, -19, NULL, NULL, "INSERT INTO `civicrm_option_value` ( `option_group_id`, `label`, `value`, `n...", "DB_Error", TRUE)
#6 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/packages/DB/mysql.php(898): DB_common->raiseError(-19, NULL, NULL, NULL, "1054 ** Unknown column 'label' in 'field list'")
#7 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/packages/DB/mysql.php(327): DB_mysql->mysqlRaiseError()
#8 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/packages/DB/common.php(1216): DB_mysql->simpleQuery("INSERT INTO `civicrm_option_value` ( `option_group_id`, `label`, `value`, `n...")
#9 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/CRM/Admin/Form/Setting/Component.php(158): DB_common->query("INSERT INTO `civicrm_option_value` ( `option_group_id`, `label`, `value`, `n...")
#10 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/CRM/Admin/Form/Setting/Component.php(122): CRM_Admin_Form_Setting_Component->loadCaseSampleData("mysql://civicrm:Thaa2pit@localhost/civicrm_demo_drupal?new_link=true", "/var/www/drupal.demo.civicrm.org/public/sites/drupal.demo.civicrm.org/modules...")
#11 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/CRM/Core/Form.php(246): CRM_Admin_Form_Setting_Component->postProcess()
#12 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/CRM/Core/StateMachine.php(160): CRM_Core_Form->mainProcess()
#13 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/CRM/Core/QuickForm/Action/Next.php(60): CRM_Core_StateMachine->perform(Object(CRM_Admin_Form_Setting_Component), "next", "Next")
#14 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/packages/HTML/QuickForm/Controller.php(203): CRM_Core_QuickForm_Action_Next->perform(Object(CRM_Admin_Form_Setting_Component), "next")
#15 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/packages/HTML/QuickForm/Page.php(103): HTML_QuickForm_Controller->handle(Object(CRM_Admin_Form_Setting_Component), "next")
#16 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/CRM/Core/Controller.php(316): HTML_QuickForm_Page->handle("next")
#17 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/CRM/Utils/Wrapper.php(117): CRM_Core_Controller->run()
#18 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/CRM/Core/Invoke.php(266): CRM_Utils_Wrapper->run("CRM_Admin_Form_Setting_Component", "Enable CiviCRM Components", NULL)
#19 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/CRM/Core/Invoke.php(70): CRM_Core_Invoke::runItem((Array:13))
#20 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/CRM/Core/Invoke.php(52): CRM_Core_Invoke::_invoke((Array:4))
#21 /var/www/drupal7.civicrm.org/svn/civicrmdemo43/drupal/civicrm.module(436): CRM_Core_Invoke::invoke((Array:4))
#22 [internal function](): civicrm_invoke("admin", "setting", "component")
#23 /var/www/drupal7.civicrm.org/public/includes/menu.inc(517): call_user_func_array("civicrm_invoke", (Array:3))
#24 /var/www/drupal7.civicrm.org/public/index.php(21): menu_execute_active_handler()
#25

{main}

Sorry but we are not able to provide this at the moment.
DB Error: no such field
Error Details
Database Error Code: Unknown column 'label' in 'field list', 1054
Additional Details:
Array
(
[callback] => Array
(
[0] => CRM_Core_Error
[1] => handle
)

[code] => -19
[message] => DB Error: no such field
[mode] => 16
[debug_info] => INSERT INTO `civicrm_option_value` ( `option_group_id`, `label`, `value`, `name`, `grouping`, `filter`, `is_default`, `weight`, `description`, `is_optgroup`, `is_reserved`, `is_active`)
(SELECT @option_group_id_case_type, 'Housing Support', @max_val + 1, 'housing_support', NULL, 0, 0, @max_wt + 1, 'Help homeless individuals obtain temporary and long-term housing', 0, 0, 1
FROM dual WHERE NOT EXISTS (SELECT * FROM `civicrm_option_value` WHERE `name` = 'housing_support')) [nativecode=1054 ** Unknown column 'label' in 'field list']
[type] => DB_Error
[user_info] => INSERT INTO `civicrm_option_value` ( `option_group_id`, `label`, `value`, `name`, `grouping`, `filter`, `is_default`, `weight`, `description`, `is_optgroup`, `is_reserved`, `is_active`)
(SELECT @option_group_id_case_type, 'Housing Support', @max_val + 1, 'housing_support', NULL, 0, 0, @max_wt + 1, 'Help homeless individuals obtain temporary and long-term housing', 0, 0, 1
FROM dual WHERE NOT EXISTS (SELECT * FROM `civicrm_option_value` WHERE `name` = 'housing_support')) [nativecode=1054 ** Unknown column 'label' in 'field list']
[to_string] => [db_error: message="DB Error: no such field" code=-19 mode=callback callback=CRM_Core_Error::handle prefix="" info="INSERT INTO `civicrm_option_value` ( `option_group_id`, `label`, `value`, `name`, `grouping`, `filter`, `is_default`, `weight`, `description`, `is_optgroup`, `is_reserved`, `is_active`)
(SELECT @option_group_id_case_type, 'Housing Support', @max_val + 1, 'housing_support', NULL, 0, 0, @max_wt + 1, 'Help homeless individuals obtain temporary and long-term housing', 0, 0, 1
FROM dual WHERE NOT EXISTS (SELECT * FROM `civicrm_option_value` WHERE `name` = 'housing_support')) [nativecode=1054 ** Unknown column 'label' in 'field list']"]
)