SQLSTATE[HY000]: General error: 1016 Can't open file: './mah/core_layout_update.frm' (errno: 24 - Too many open files), query was: SELECT `layout_update`.`xml` FROM `core_layout_update` AS `layout_update`
 INNER JOIN `core_layout_link` AS `link` ON link.layout_update_id=layout_update.layout_update_id WHERE (link.store_id IN (0, :store_id)) AND (link.area = :area) AND (link.package = :package) AND (link.theme = :theme) AND (layout_update.handle = :layout_update_handle) ORDER BY `layout_update`.`sort_order` ASC

#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 `layout_...', Array)
#4 /var/www/vhosts/websitestatus.de/mah.de/lib/Varien/Db/Adapter/Pdo/Mysql.php(504): Zend_Db_Adapter_Pdo_Abstract->query('SELECT `layout_...', Array)
#5 /var/www/vhosts/websitestatus.de/mah.de/lib/Zend/Db/Adapter/Abstract.php(794): Varien_Db_Adapter_Pdo_Mysql->query(Object(Varien_Db_Select), Array)
#6 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Model/Resource/Layout.php(84): Zend_Db_Adapter_Abstract->fetchCol(Object(Varien_Db_Select), Array)
#7 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Model/Layout/Update.php(385): Mage_Core_Model_Resource_Layout->fetchUpdatesByHandle('default')
#8 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Model/Layout/Update.php(363): Mage_Core_Model_Layout_Update->_getUpdateString('default')
#9 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Model/Layout/Update.php(248): Mage_Core_Model_Layout_Update->fetchDbLayoutUpdates('default')
#10 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Model/Layout/Update.php(224): Mage_Core_Model_Layout_Update->merge('default')
#11 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Controller/Varien/Action.php(306): Mage_Core_Model_Layout_Update->load()
#12 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Catalog/controllers/CategoryController.php(137): Mage_Core_Controller_Varien_Action->loadLayoutUpdates()
#13 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Catalog_CategoryController->viewAction()
#14 /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')
#15 /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))
#16 /var/www/vhosts/websitestatus.de/mah.de/app/code/core/Mage/Core/Model/App.php(365): Mage_Core_Controller_Varien_Front->dispatch()
#17 /var/www/vhosts/websitestatus.de/mah.de/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#18 /var/www/vhosts/websitestatus.de/mah.de/index.php(83): Mage::run('mah', 'website')
#19 {main}