[XenMods] Multi Prefix 1.0.1 ошибка при удалении

[X15Team]

При удалении плагина [XenMods] Multi Prefix 1.0.1 выдает ошибку:

Mysqli prepare error: 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 'ALERT TABLE `xf_thread` CHANGE `prefix_id` `prefix_id` INT(11) NOT NULL DEFAULT ' at line 1

Zend_Db_Statement_Mysqli->_prepare() in Zend/Db/Statement.php at line 115
Zend_Db_Statement->__construct() in Zend/Db/Adapter/Mysqli.php at line 381
Zend_Db_Adapter_Mysqli->prepare() in Zend/Db/Adapter/Abstract.php at line 478
Zend_Db_Adapter_Abstract->query() in XenMods/MultiPrefix/Install.php at line 20
XenMods_MultiPrefix_Install::UnInstall()
call_user_func() in XenForo/DataWriter/AddOn.php at line 200
XenForo_DataWriter_AddOn->_postDelete() in XenForo/DataWriter.php at line 1779
XenForo_DataWriter->delete() in XenForo/ControllerAdmin/AddOn.php at line 122
XenForo_ControllerAdmin_AddOn->actionDelete() in XenForo/FrontController.php at line 347
XenForo_FrontController->dispatch() in XenForo/FrontController.php at line 134
XenForo_FrontController->run() in /var/www/u0036463/public_html/truehacker.net/admin.php at line 13