Blows up when upgrading to latest version

[Wed Jan 16 06:28:34 2013] [error] [client 127.0.0.1] WordPress database error Duplicate column name ‘comments_enabled’ for query ALTER TABLE wp_ai1ec_event_feeds ADD COLUMN comments_enabled tinyint(1) NOT NULL DEFAULT ‘1’ made by require(‘wp-blog-header.php’), require_once(‘wp-load.php’), require_once(‘wp-config.php’), require_once(‘wp-settings.php’), include_once(‘/plugins/all-in-one-event-calendar/all-in-one-event-calendar.php’), Ai1ec_App_Controller::get_instance, Ai1ec_App_Controller->__construct, Ai1ec_App_Controller->install_plugins, Ai1ecIcsConnectorPlugin->__construct, Ai1ecIcsConnectorPlugin->install_schema, Ai1ec_Database->apply_delta, dbDelta, referer: https://www.redacted.com/
[Wed Jan 16 06:28:34 2013] [error] [client 10.180.134.73] WordPress database error Duplicate column name ‘comments_enabled’ for query ALTER TABLE wp_ai1ec_event_feeds ADD COLUMN comments_enabled tinyint(1) NOT NULL DEFAULT ‘1’ made by require_once(‘wp-load.php’), require_once(‘wp-config.php’), require_once(‘wp-settings.php’), include_once(‘/plugins/all-in-one-event-calendar/all-in-one-event-calendar.php’), Ai1ec_App_Controller::get_instance, Ai1ec_App_Controller->__construct, Ai1ec_App_Controller->install_plugins, Ai1ecIcsConnectorPlugin->__construct, Ai1ecIcsConnectorPlugin->install_schema, Ai1ec_Database->apply_delta, dbDelta, referer: https://www.redacted.com/
[Wed Jan 16 06:28:34 2013] [error] [client 10.180.134.73] WordPress database error Duplicate column name ‘map_display_enabled’ for query ALTER TABLE wp_ai1ec_event_feeds ADD COLUMN map_display_enabled tinyint(1) NOT NULL DEFAULT ‘0’ made by require_once(‘wp-load.php’), require_once(‘wp-config.php’), require_once(‘wp-settings.php’), include_once(‘/plugins/all-in-one-event-calendar/all-in-one-event-calendar.php’), Ai1ec_App_Controller::get_instance, Ai1ec_App_Controller->__construct, Ai1ec_App_Controller->install_plugins, Ai1ecIcsConnectorPlugin->__construct, Ai1ecIcsConnectorPlugin->install_schema, Ai1ec_Database->apply_delta, dbDelta, referer: https://www.redacted.com/
[Wed Jan 16 06:28:34 2013] [error] [client 127.0.0.1] WordPress database error Duplicate column name ‘map_display_enabled’ for query ALTER TABLE wp_ai1ec_event_feeds ADD COLUMN map_display_enabled tinyint(1) NOT NULL DEFAULT ‘0’ made by require_once(‘wp-load.php’), require_once(‘wp-config.php’), require_once(‘wp-settings.php’), include_once(‘/plugins/all-in-one-event-calendar/all-in-one-event-calendar.php’), Ai1ec_App_Controller::get_instance, Ai1ec_App_Controller->__construct, Ai1ec_App_Controller->install_plugins, Ai1ecIcsConnectorPlugin->__construct, Ai1ecIcsConnectorPlugin->install_schema, Ai1ec_Database->apply_delta, dbDelta, referer: https://www.redacted.com/
[Wed Jan 16 06:28:34 2013] [error] [client 127.0.0.1] WordPress database error Duplicate key name ‘feed’ for query ALTER TABLE wp_ai1ec_event_feeds ADD UNIQUE KEY feed (feed_url) made by require_once(‘wp-load.php’), require_once(‘wp-config.php’), require_once(‘wp-settings.php’), include_once(‘/plugins/all-in-one-event-calendar/all-in-one-event-calendar.php’), Ai1ec_App_Controller::get_instance, Ai1ec_App_Controller->__construct, Ai1ec_App_Controller->install_plugins, Ai1ecIcsConnectorPlugin->__construct, Ai1ecIcsConnectorPlugin->install_schema, Ai1ec_Database->apply_delta, dbDelta, referer: https://www.redacted.com/
[Wed Jan 16 06:28:34 2013] [error] [client 10.180.134.73] WordPress database error Duplicate key name ‘feed’ for query ALTER TABLE wp_ai1ec_event_feeds ADD UNIQUE KEY feed (feed_url) made by require_once(‘wp-load.php’), require_once(‘wp-config.php’), require_once(‘wp-settings.php’), include_once(‘/plugins/all-in-one-event-calendar/all-in-one-event-calendar.php’), Ai1ec_App_Controller::get_instance, Ai1ec_App_Controller->__construct, Ai1ec_App_Controller->install_plugins, Ai1ecIcsConnectorPlugin->__construct, Ai1ecIcsConnectorPlugin->install_schema, Ai1ec_Database->apply_delta, dbDelta, referer: https://www.redacted.com/

Any thoughts?

https://www.ads-software.com/extend/plugins/all-in-one-event-calendar/