При попытке обновления xenforo до 1.5.6 выдается ошибка:
Zend_Db_Statement_Mysqli->_execute() in Zend/Db/Statement.php at line 297 Zend_Db_Statement->execute() in Zend/Db/Adapter/Abstract.php at line 479 Zend_Db_Adapter_Abstract->query() in Zend/Db/Adapter/Abstract.php at line 753 Zend_Db_Adapter_Abstract->fetchRow() in XenForo/Model/Phrase.php at line 223