SQLSTATE[HY000]: General error: 2006 MySQL server has gone away

#0 /var/www/vhosts/gazelle/magento/lib/Varien/Db/Statement/Pdo/Mysql.php(110): Zend_Db_Statement_Pdo->_execute(Array)
#1 /var/www/vhosts/gazelle/magento/app/code/core/Zend/Db/Statement.php(291): Varien_Db_Statement_Pdo_Mysql->_execute(Array)
#2 /var/www/vhosts/gazelle/magento/lib/Zend/Db/Adapter/Abstract.php(480): Zend_Db_Statement->execute(Array)
#3 /var/www/vhosts/gazelle/magento/lib/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('SELECT `eav_att...', Array)
#4 /var/www/vhosts/gazelle/magento/lib/Varien/Db/Adapter/Pdo/Mysql.php(428): Zend_Db_Adapter_Pdo_Abstract->query('SELECT `eav_att...', Array)
#5 /var/www/vhosts/gazelle/magento/lib/Zend/Db/Adapter/Abstract.php(756): Varien_Db_Adapter_Pdo_Mysql->query(Object(Varien_Db_Select), Array)
#6 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Eav/Model/Resource/Entity/Attribute.php(104): Zend_Db_Adapter_Abstract->fetchRow(Object(Varien_Db_Select), Array)
#7 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Eav/Model/Entity/Attribute/Abstract.php(118): Mage_Eav_Model_Resource_Entity_Attribute->loadByCode(Object(Mage_Catalog_Model_Resource_Eav_Attribute), '3', 'include_in_menu')
#8 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Eav/Model/Config.php(422): Mage_Eav_Model_Entity_Attribute_Abstract->loadByCode(Object(Mage_Eav_Model_Entity_Type), 'include_in_menu')
#9 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Eav/Model/Entity/Abstract.php(384): Mage_Eav_Model_Config->getAttribute(Object(Mage_Eav_Model_Entity_Type), 'include_in_menu')
#10 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Eav/Model/Entity/Abstract.php(815): Mage_Eav_Model_Entity_Abstract->getAttribute('include_in_menu')
#11 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Eav/Model/Entity/Collection/Abstract.php(1379): Mage_Eav_Model_Entity_Abstract->isAttributeStatic('include_in_menu')
#12 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Eav/Model/Entity/Collection/Abstract.php(321): Mage_Eav_Model_Entity_Collection_Abstract->_getAttributeConditionSql('include_in_menu', 1, 'inner')
#13 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Catalog/Model/Resource/Category/Tree.php(170): Mage_Eav_Model_Entity_Collection_Abstract->addAttributeToFilter('include_in_menu', 1)
#14 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Catalog/Model/Resource/Category.php(576): Mage_Catalog_Model_Resource_Category_Tree->addCollectionData(NULL, false, '2', true, true)
#15 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Catalog/Model/Category.php(818): Mage_Catalog_Model_Resource_Category->getCategories('2', 0, false, false, true)
#16 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Catalog/Helper/Category.php(82): Mage_Catalog_Model_Category->getCategories('2', 0, false, false, true)
#17 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Catalog/Model/Observer.php(217): Mage_Catalog_Helper_Category->getStoreCategories()
#18 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Model/App.php(1338): Mage_Catalog_Model_Observer->addCatalogToTopmenuItems(Object(Varien_Event_Observer))
#19 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Model/App.php(1317): Mage_Core_Model_App->_callObserverMethod(Object(Mage_Catalog_Model_Observer), 'addCatalogToTop...', Object(Varien_Event_Observer))
#20 /var/www/vhosts/gazelle/magento/app/Mage.php(448): Mage_Core_Model_App->dispatchEvent('page_block_html...', Array)
#21 /var/www/vhosts/gazelle/magento/app/code/local/Mage/Page/Block/Html/Topmenu.php(74): Mage::dispatchEvent('page_block_html...', Array)
#22 /var/www/vhosts/gazelle/magento/app/design/frontend/rwd/default/template/page/html/topmenu.phtml(50): Mage_Page_Block_Html_Topmenu->getHtml('level-top')
#23 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Template.php(241): include('/var/www/vhosts...')
#24 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/rwd/de...')
#25 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Template.php(287): Mage_Core_Block_Template->renderView()
#26 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Template->_toHtml()
#27 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Text/List.php(43): Mage_Core_Block_Abstract->toHtml()
#28 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Text_List->_toHtml()
#29 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Abstract.php(637): Mage_Core_Block_Abstract->toHtml()
#30 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Abstract.php(581): Mage_Core_Block_Abstract->_getChildHtml('topMenu', true)
#31 /var/www/vhosts/gazelle/magento/app/design/frontend/rwd/gazelle/template/page/html/header.phtml(72): Mage_Core_Block_Abstract->getChildHtml('topMenu')
#32 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Template.php(241): include('/var/www/vhosts...')
#33 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/rwd/ga...')
#34 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Template.php(287): Mage_Core_Block_Template->renderView()
#35 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Template->_toHtml()
#36 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Abstract.php(637): Mage_Core_Block_Abstract->toHtml()
#37 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Abstract.php(581): Mage_Core_Block_Abstract->_getChildHtml('header', true)
#38 /var/www/vhosts/gazelle/magento/app/design/frontend/rwd/gazelle/template/page/2columns-right.phtml(61): Mage_Core_Block_Abstract->getChildHtml('header')
#39 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Template.php(241): include('/var/www/vhosts...')
#40 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Template.php(272): Mage_Core_Block_Template->fetchView('frontend/rwd/ga...')
#41 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Template.php(287): Mage_Core_Block_Template->renderView()
#42 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Block/Abstract.php(919): Mage_Core_Block_Template->_toHtml()
#43 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Model/Layout.php(555): Mage_Core_Block_Abstract->toHtml()
#44 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Controller/Varien/Action.php(390): Mage_Core_Model_Layout->getOutput()
#45 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Cms/Helper/Page.php(137): Mage_Core_Controller_Varien_Action->renderLayout()
#46 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Cms/Helper/Page.php(52): Mage_Cms_Helper_Page->_renderPage(Object(Mage_Cms_IndexController), 'no-route')
#47 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Cms/controllers/IndexController.php(75): Mage_Cms_Helper_Page->renderPage(Object(Mage_Cms_IndexController), 'no-route')
#48 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Cms_IndexController->noRouteAction()
#49 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(250): Mage_Core_Controller_Varien_Action->dispatch('noRoute')
#50 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#51 /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/Model/App.php(354): Mage_Core_Controller_Varien_Front->dispatch()
#52 /var/www/vhosts/gazelle/magento/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#53 /var/www/vhosts/gazelle/magento/index.php(108): Mage::run('default', 'store')
#54 {main}

Fatal error: Uncaught exception 'Exception' with message 'Warning: Unknown: write failed: No space left on device (28) in Unknown on line 0' in /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/functions.php:247 Stack trace: #0 [internal function]: mageCoreErrorHandler(2, 'Unknown: write ...', 'Unknown', 0, NULL) #1 {main} thrown in /var/www/vhosts/gazelle/magento/app/code/core/Mage/Core/functions.php on line 247