ошибка при установке чата

[Speaker Knockerz]

Server Error
Mysqli statement execute error : Duplicate column name 'room_id'

1. Zend_Db_Statement_Mysqli->_execute() in Zend/Db/Statement.php at line 297
2. Zend_Db_Statement->execute() in Zend/Db/Adapter/Abstract.php at line 479
3. Zend_Db_Adapter_Abstract->query() in Dark/TaigaChat/Install.php at line 175
4. Dark_TaigaChat_Install->_installVersion34() in Dark/TaigaChat/Install.php at line 83
5. Dark_TaigaChat_Install::install() in XenForo/Model/AddOn.php at line 214
6. XenForo_Model_AddOn->installAddOnXml() in XenForo/Model/AddOn.php at line 169
7. XenForo_Model_AddOn->installAddOnXmlFromFile() in XenForo/ControllerAdmin/AddOn.php at line 188
8. XenForo_ControllerAdmin_AddOn->actionInstall() in XenForo/FrontController.php at line 351
9. XenForo_FrontController->dispatch() in XenForo/FrontController.php at line 134
10. XenForo_FrontController->run() in /home/US/SITE/admin.php at line 13

как решить?

 

[Hope]

Вопрос в тему чата.