Server error / SQL error

[Elixer]

This was quite odd...

Server Error
Mysqli statement execute error : Incorrect key file for table './xenforo/xf_session.MYI'; try to repair it

1. Zend_Db_Statement_Mysqli->_execute() in Zend/Db/Statement.php at line 317
2. Zend_Db_Statement->execute() in Zend/Db/Adapter/Abstract.php at line 479
3. Zend_Db_Adapter_Abstract->query() in Zend/Db/Adapter/Abstract.php at line 632
4. Zend_Db_Adapter_Abstract->update() in XenForo/Session.php at line 847
5. XenForo_Session->saveSessionToSource() in XenForo/Session.php at line 583
6. XenForo_Session->save() in XenForo/Controller.php at line 414
7. XenForo_Controller->updateSession() in XenForo/Controller.php at line 358
8. XenForo_Controller->postDispatch() in XenForo/FrontController.php at line 358
9. XenForo_FrontController->dispatch() in XenForo/FrontController.php at line 134
10. XenForo_FrontController->run() in /var/www/html/forums.anandtech.com/index.php at line 13

Seems to be working right now though.