SQLSTATE[HY000]: General error: 1 Can't create/write to file '/tmp/#sql_2e2_0.MYI' (Errcode: 28)

#0 /var/www/store/lib/Zend/Db/Statement.php(283): Zend_Db_Statement_Pdo->_execute(Array)
#1 /var/www/store/lib/Zend/Db/Adapter/Abstract.php(406): Zend_Db_Statement->execute(Array)
#2 /var/www/store/lib/Zend/Db/Adapter/Pdo/Abstract.php(206): Zend_Db_Adapter_Abstract->query(Object(Varien_Db_Select), Array)
#3 /var/www/store/lib/Varien/Db/Adapter/Pdo/Mysql.php(193): Zend_Db_Adapter_Pdo_Abstract->query(Object(Varien_Db_Select), Array)
#4 /var/www/store/lib/Zend/Db/Adapter/Abstract.php(636): Varien_Db_Adapter_Pdo_Mysql->query(Object(Varien_Db_Select), Array)
#5 /var/www/store/app/code/core/Mage/Core/Model/Mysql4/Abstract.php(297): Zend_Db_Adapter_Abstract->fetchRow(Object(Varien_Db_Select))
#6 /var/www/store/app/code/core/Mage/Cms/Model/Mysql4/Page.php(92): Mage_Core_Model_Mysql4_Abstract->load(Object(Mage_Cms_Model_Page), 'cms-confidence', 'identifier')
#7 /var/www/store/app/code/core/Mage/Core/Model/Abstract.php(201): Mage_Cms_Model_Mysql4_Page->load(Object(Mage_Cms_Model_Page), 'cms-confidence', NULL)
#8 /var/www/store/app/code/core/Mage/Cms/Model/Page.php(44): Mage_Core_Model_Abstract->load('cms-confidence', NULL)
#9 /var/www/store/app/code/core/Mage/Cms/Controller/Router.php(44): Mage_Cms_Model_Page->load('cms-confidence')
#10 /var/www/store/app/code/core/Mage/Core/Controller/Varien/Front.php(168): Mage_Cms_Controller_Router->match(Object(Mage_Core_Controller_Request_Http))
#11 /var/www/store/app/Mage.php(420): Mage_Core_Controller_Varien_Front->dispatch()
#12 /var/www/store/index.php(46): Mage::run()
#13 {main}