SQLSTATE[HY000]: General error: 1016 Can't open file: './mah/poll.frm' (errno: 24 - Too many open files), query was: SELECT `main_table`.`poll_id` FROM `poll` AS `main_table`
 INNER JOIN `poll_store` AS `store` ON main_table.poll_id=store.poll_id AND store.store_id = '4' WHERE (closed = 0) ORDER BY RAND() LIMIT 1

#0 /var/www/vhosts/websitestatus.de/mah.de/lib/Varien/Db/Statement/Pdo/Mysql.php(110): Zend_Db_Statement_Pdo->_execute(Array)
#1 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Zend/Db/Statement.php(291): Varien_Db_Statement_Pdo_Mysql->_execute(Array)
#2 /var/www/vhosts/websitestatus.de/mah.de/lib/Zend/Db/Adapter/Abstract.php(480): Zend_Db_Statement->execute(Array)
#3 /var/www/vhosts/websitestatus.de/mah.de/lib/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('SELECT `main_ta...', Array)
#4 /var/www/vhosts/websitestatus.de/mah.de/lib/Varien/Db/Adapter/Pdo/Mysql.php(504): Zend_Db_Adapter_Pdo_Abstract->query('SELECT `main_ta...', Array)
#5 /var/www/vhosts/websitestatus.de/mah.de/lib/Zend/Db/Adapter/Abstract.php(828): Varien_Db_Adapter_Pdo_Mysql->query(Object(Varien_Db_Select), Array)
#6 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Poll/Model/Resource/Poll.php(99): Zend_Db_Adapter_Abstract->fetchOne(Object(Varien_Db_Select))
#7 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Poll/Model/Poll.php(167): Mage_Poll_Model_Resource_Poll->getRandomId(Object(Mage_Poll_Model_Poll))
#8 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Poll/Block/ActivePoll.php(136): Mage_Poll_Model_Poll->getRandomId()
#9 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Poll/Block/ActivePoll.php(214): Mage_Poll_Block_ActivePoll->getPollToShow()
#10 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Poll_Block_ActivePoll->_toHtml()
#11 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Block/Text/List.php(43): Mage_Core_Block_Abstract->toHtml()
#12 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Text_List->_toHtml()
#13 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Block/Abstract.php(637): Mage_Core_Block_Abstract->toHtml()
#14 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Block/Abstract.php(581): Mage_Core_Block_Abstract->_getChildHtml('right', true)
#15 /var/www/vhosts/websitestatus.de/mah.de/app/design/frontend/econcess/mah/template/page/3columns.phtml(132): Mage_Core_Block_Abstract->getChildHtml('right')
#16 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Block/Template.php(241): include('/var/www/vhosts...')
#17 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/econce...')
#18 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Block/Template.php(286): Mage_Core_Block_Template->renderView()
#19 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Template->_toHtml()
#20 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Model/Layout.php(555): Mage_Core_Block_Abstract->toHtml()
#21 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Controller/Varien/Action.php(390): Mage_Core_Model_Layout->getOutput()
#22 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Catalog/controllers/CategoryController.php(161): Mage_Core_Controller_Varien_Action->renderLayout()
#23 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Catalog_CategoryController->viewAction()
#24 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('view')
#25 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#26 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Model/App.php(365): Mage_Core_Controller_Varien_Front->dispatch()
#27 /var/www/vhosts/websitestatus.de/mah.de/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#28 /var/www/vhosts/websitestatus.de/mah.de/index.php(83): Mage::run('mah', 'website')
#29 {main}