Activating facetag with 2.10beta2 gives

Piwigo encountered an irrecoverable error

[mysql error 1064] You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'DELIMITER $$
CREATE TRIGGER `piwigo_tags_delete_trigger` AFTER DELETE ON `piwigo' at line 1

DELIMITER $$
CREATE TRIGGER `piwigo_tags_delete_trigger` AFTER DELETE ON `piwigo_tags`
FOR EACH ROW
BEGIN
DELETE FROM `piwigo_facetags`
WHERE `piwigo_facetags`.`tag_id` = OLD.`id`

#1    my_error /home/johnbray/piwigo2.fancy-test.com/include/dblayer/functions_mysqli.inc.php(132)
#2    pwg_query /home/johnbray/piwigo2.fancy-test.com/plugins/piwigo-facetag/maintain.inc.php(31)
#3    run_sql_file /home/johnbray/piwigo2.fancy-test.com/plugins/piwigo-facetag/maintain.inc.php(8)
#4    plugin_install /home/johnbray/piwigo2.fancy-test.com/admin/include/plugins.class.php(19)
#5    DummyPlugin_maintain::install /home/johnbray/piwigo2.fancy-test.com/admin/include/plugins.class.php(126)
#6    plugins::perform_action /home/johnbray/piwigo2.fancy-test.com/admin/include/plugins.class.php(166)
#7    plugins::perform_action /home/johnbray/piwigo2.fancy-test.com/admin/plugins_installed.php(58)
#8    include /home/johnbray/piwigo2.fancy-test.com/admin/plugins.php(31)
#9    include /home/johnbray/piwigo2.fancy-test.com/admin.php(310)


Piwigo version:
PHP version:
MySQL version:
Piwigo URL: http://