Your store is running Magento 2, when installing new extensions, setting configuration or even server memory is overloaded. You may get this error There has been an error processing your request But you still don’t know exactly what kind of problem out there. Follow this guide to show the full message.
There has been an error processing your request
Exception printing is disabled by default for security reasons.
Error log record number: 1234567890
Like this screenshot
In this article, we will give the solution for
It is similar to Magento 1 but it is located in different folder pub/errors
Please rename file pub/errors/local.xml.sample
to pub/errors/local.xml
. See trace result
You can go to var/report
and get the list of error report.
There are similar errors:
a:4:{i:0;s:46:"SQLSTATE[HY000] [1049] Unknown database 'ce21'";i:1;s:4514:"#0 \vendor\magento\zendframework1\library\Zend\Db\Adapter\Pdo\Mysql.php(111): Zend_Db_Adapter_Pdo_Abstract->_connect()
#1 \vendor\magento\framework\DB\Adapter\Pdo\Mysql.php(340): Zend_Db_Adapter_Pdo_Mysql->_connect()
#2 \vendor\magento\zendframework1\library\Zend\Db\Adapter\Abstract.php(861): Magento\Framework\DB\Adapter\Pdo\Mysql->_connect()
#3 \vendor\magento\zendframework1\library\Zend\Db\Adapter\Abstract.php(931): Zend_Db_Adapter_Abstract->quote('1', NULL)
#4 \vendor\magento\framework\DB\Adapter\Pdo\Mysql.php(1363): Zend_Db_Adapter_Abstract->quoteInto('`store`.`store_...', '1', NULL, NULL)
#5 \vendor\magento\zendframework1\library\Zend\Db\Select.php(1007): Magento\Framework\DB\Adapter\Pdo\Mysql->quoteInto('`store`.`store_...', '1', NULL)
#6 \vendor\magento\zendframework1\library\Zend\Db\Select.php(477): Zend_Db_Select->_where('`store`.`store_...', '1', NULL, true)
#7 \vendor\magento\framework\DB\Select.php(115): Zend_Db_Select->where('`store`.`store_...', '1', NULL)
#8 \vendor\magento\framework\Model\ResourceModel\Db\AbstractDb.php(367): Magento\Framework\DB\Select->where('`store`.`store_...', '1')
#9 \vendor\magento\module-store\Model\ResourceModel\Store.php(168): Magento\Framework\Model\ResourceModel\Db\AbstractDb->_getLoadSelect('store_id', '1', Object(Magento\Store\Model\Store\Interceptor))
#10 \vendor\magento\framework\Model\ResourceModel\Db\AbstractDb.php(341): Magento\Store\Model\ResourceModel\Store->_getLoadSelect('store_id', '1', Object(Magento\Store\Model\Store\Interceptor))
#11 \var\generation\Magento\Store\Model\ResourceModel\Store\Interceptor.php(89): Magento\Framework\Model\ResourceModel\Db\AbstractDb->load(Object(Magento\Store\Model\Store\Interceptor), '1', NULL)
#12 \vendor\magento\framework\Model\AbstractModel.php(531): Magento\Store\Model\ResourceModel\Store\Interceptor->load(Object(Magento\Store\Model\Store\Interceptor), '1', NULL)
#13 \vendor\magento\module-store\Model\Store.php(488): Magento\Framework\Model\AbstractModel->load('1', NULL)
#14 \var\generation\Magento\Store\Model\Store\Interceptor.php(24): Magento\Store\Model\Store->load('1', NULL)
#15 \vendor\magento\module-store\Model\StoreRepository.php(89): Magento\Store\Model\Store\Interceptor->load('1')
#16 \vendor\magento\module-store\Model\StoreRepository.php(103): Magento\Store\Model\StoreRepository->getById('1')
#17 \vendor\magento\module-store\Model\StoreResolver.php(167): Magento\Store\Model\StoreRepository->getActiveStoreById('1')
#18 \vendor\magento\module-store\Model\StoreResolver.php(105): Magento\Store\Model\StoreResolver->getDefaultStoreById('1')
#19 \vendor\magento\module-store\Model\StoreManager.php(151): Magento\Store\Model\StoreResolver->getCurrentStoreId()
#20 \vendor\magento\module-store\App\Request\PathInfoProcessor.php(39): Magento\Store\Model\StoreManager->getStore('')
#21 \vendor\magento\module-backend\App\Request\PathInfoProcessor.php(47): Magento\Store\App\Request\PathInfoProcessor->process(Object(Magento\Framework\App\Request\Http), '/')
#22 \var\generation\Magento\Backend\App\Request\PathInfoProcessor\Proxy.php(95): Magento\Backend\App\Request\PathInfoProcessor->process(Object(Magento\Framework\App\Request\Http), '/')
#23 \vendor\magento\framework\App\Request\Http.php(165): Magento\Backend\App\Request\PathInfoProcessor\Proxy->process(Object(Magento\Framework\App\Request\Http), '/')
#24 \vendor\magento\framework\HTTP\PhpEnvironment\Request.php(209): Magento\Framework\App\Request\Http->setPathInfo()
#25 \vendor\magento\framework\App\Request\Http.php(208): Magento\Framework\HTTP\PhpEnvironment\Request->getPathInfo()
#26 \vendor\magento\framework\App\Http.php(130): Magento\Framework\App\Request\Http->getFrontName()
#27 \vendor\magento\framework\App\Bootstrap.php(258): Magento\Framework\App\Http->launch()
#28 \index.php(39): Magento\Framework\App\Bootstrap->run(Object(Magento\Framework\App\Http))
#29 {main}";s:3:"url";s:6:"/ce21/";s:11:"script_name";s:15:"/ce21/index.php";}
a:5:{i:0;s:71:"Could not determine temp directory, please specify a cache_dir manually";i:1;s:4546:"#0 /home/host/domains/example.com/public_html/lib/Zend/Cache/Backend.php(197): Zend_Cache::throwException('Could not deter...')
Warning: SessionHandler::read(): open(/var/lib/php/session/sess_cvevqn06desuj80, O_RDWR) failed: Permission denied (13) in /var/www/vhosts/[site]/httpdocs/vendor/magento/framework/Session/SaveHandler.php on line 74
a:5:{i:0;s:63:"Mage registry key "_singleton/megamenu/observer" already exists";i:1;s:2654:"#0 /home/host/public_html/magento2/app/Mage.php(223): Mage::throwException('Mage registry k...')
#1 /home/host/public_html/magento2/app/Mage.php(477): Mage::register('_singleton/mega...', false)
#2 /home/host/public_html/magento2/app/code/core/Mage/Core/Model/App.php(1335): Mage::getSingleton('megamenu/observ...')
#3 /home/host/public_html/magento2/app/Mage.php(448): Mage_Core_Model_App->dispatchEvent('core_layout_blo...', Array)
#4 /home/host/public_html/magento2/app/code/core/Mage/Core/Model/Layout.php(459): Mage::dispatchEvent('core_layout_blo...', Array)
#5 /home/host/public_html/magento2/app/code/core/Mage/Core/Model/Layout.php(472): Mage_Core_Model_Layout->createBlock('page/html', 'root')
#6 /home/host/public_html/magento2/app/code/core/Mage/Core/Model/Layout.php(239): Mage_Core_Model_Layout->addBlock('page/html', 'root')
#7 /home/host/public_html/magento2/app/code/core/Mage/Core/Model/Layout.php(205): Mage_Core_Model_Layout->_generateBlock(Object(Mage_Core_Model_Layout_Element), Object(Mage_Core_Model_Layout_Element))
#8 /home/host/public_html/magento2/app/code/core/Mage/Core/Controller/Varien/Action.php(344): Mage_Core_Model_Layout->generateBlocks()
#9 /home/host/public_html/magento2/app/code/core/Mage/Cms/Helper/Page.php(113): Mage_Core_Controller_Varien_Action->generateLayoutBlocks()
#10 /home/host/public_html/magento2/app/code/core/Mage/Cms/Helper/Page.php(52): Mage_Cms_Helper_Page->_renderPage(Object(Mage_Cms_IndexController), 'home')
#11 /home/host/public_html/magento2/app/code/core/Mage/Cms/controllers/IndexController.php(45): Mage_Cms_Helper_Page->renderPage(Object(Mage_Cms_IndexController), 'home')
#12 /home/host/public_html/magento2/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Mage_Cms_IndexController->indexAction()
#13 /home/host/public_html/magento2/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('index')
#14 /home/host/public_html/magento2/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#15 /home/host/public_html/magento2/app/code/core/Mage/Core/Model/App.php(365): Mage_Core_Controller_Varien_Front->dispatch()
#16 /home/host/public_html/magento2/app/Mage.php(684): Mage_Core_Model_App->run(Array)
#17 /home/host/public_html/magento2/index.php(84): Mage::run('', 'store')
#18 {main}";s:3:"url";s:19:"/magento2/";s:11:"script_name";s:28:"/magento2/index.php";s:4:"skin";s:7:"default";}