Exception: Warning: SessionHandler::read(): open(/var/lib/php/session/sess_5lv32u1ej7j6qsrb3ejso7mhdm, O_RDWR) failed: No space left on device (28) in /var/www/magento2/vendor/magento/framework/Session/SaveHandler/Native.php on line 22 in /var/www/magento2/vendor/magento/framework/App/ErrorHandler.php:61
Stack trace:
#0 [internal function]: Magento\Framework\App\ErrorHandler->handler()
#1 /var/www/magento2/vendor/magento/framework/Session/SaveHandler/Native.php(22): SessionHandler->read()
#2 /var/www/magento2/vendor/magento/framework/Session/SaveHandler.php(139): Magento\Framework\Session\SaveHandler\Native->read()
#3 /var/www/magento2/vendor/magento/framework/Session/SaveHandler.php(84): Magento\Framework\Session\SaveHandler->callSafely()
#4 [internal function]: Magento\Framework\Session\SaveHandler->read()
#5 /var/www/magento2/vendor/magento/framework/Session/SessionManager.php(204): session_start()
#6 /var/www/magento2/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\Session\SessionManager->start()
#7 /var/www/magento2/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\Session\Generic\Interceptor->___callParent()
#8 /var/www/magento2/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\Session\Generic\Interceptor->Magento\Framework\Interception\{closure}()
#9 /var/www/magento2/generated/code/Magento/Framework/Session/Generic/Interceptor.php(41): Magento\Framework\Session\Generic\Interceptor->___callPlugins()
#10 /var/www/magento2/vendor/magento/framework/Session/SessionManager.php(141): Magento\Framework\Session\Generic\Interceptor->start()
#11 /var/www/magento2/generated/code/Magento/Framework/Session/Generic/Interceptor.php(14): Magento\Framework\Session\SessionManager->__construct()
#12 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(121): Magento\Framework\Session\Generic\Interceptor->__construct()
#13 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(66): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject()
#14 /var/www/magento2/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create()
#15 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(170): Magento\Framework\ObjectManager\ObjectManager->get()
#16 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(276): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument()
#17 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(239): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument()
#18 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime()
#19 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments()
#20 /var/www/magento2/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create()
#21 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(170): Magento\Framework\ObjectManager\ObjectManager->get()
#22 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(276): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument()
#23 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(239): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument()
#24 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime()
#25 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments()
#26 /var/www/magento2/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create()
#27 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(170): Magento\Framework\ObjectManager\ObjectManager->get()
#28 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(276): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument()
#29 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(239): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument()
#30 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime()
#31 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments()
#32 /var/www/magento2/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create()
#33 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(170): Magento\Framework\ObjectManager\ObjectManager->get()
#34 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(276): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument()
#35 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(239): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument()
#36 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime()
#37 /var/www/magento2/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments()
#38 /var/www/magento2/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create()
#39 /var/www/magento2/vendor/magento/framework/Interception/PluginList/PluginList.php(174): Magento\Framework\ObjectManager\ObjectManager->get()
#40 /var/www/magento2/vendor/magento/framework/Interception/Interceptor.php(119): Magento\Framework\Interception\PluginList\PluginList->getPlugin()
#41 /var/www/magento2/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\Http\Context\Interceptor->Magento\Framework\Interception\{closure}()
#42 /var/www/magento2/generated/code/Magento/Framework/App/Http/Context/Interceptor.php(59): Magento\Framework\App\Http\Context\Interceptor->___callPlugins()
#43 /var/www/magento2/vendor/magento/framework/App/Response/Http.php(108): Magento\Framework\App\Http\Context\Interceptor->getVaryString()
#44 /var/www/magento2/generated/code/Magento/Framework/App/Response/Http/Interceptor.php(32): Magento\Framework\App\Response\Http->sendVary()
#45 /var/www/magento2/vendor/magento/module-page-cache/Model/App/Response/HttpPlugin.php(29): Magento\Framework\App\Response\Http\Interceptor->sendVary()
#46 /var/www/magento2/vendor/magento/framework/Interception/Interceptor.php(121): Magento\PageCache\Model\App\Response\HttpPlugin->beforeSendResponse()
#47 /var/www/magento2/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\Response\Http\Interceptor->Magento\Framework\Interception\{closure}()
#48 /var/www/magento2/generated/code/Magento/Framework/App/Response/Http/Interceptor.php(86): Magento\Framework\App\Response\Http\Interceptor->___callPlugins()
#49 /var/www/magento2/vendor/magento/framework/App/ExceptionHandler.php(103): Magento\Framework\App\Response\Http\Interceptor->sendResponse()
#50 /var/www/magento2/vendor/magento/framework/App/ExceptionHandler.php(70): Magento\Framework\App\ExceptionHandler->handleDeveloperMode()
#51 /var/www/magento2/vendor/magento/framework/App/Http.php(156): Magento\Framework\App\ExceptionHandler->handle()
#52 /var/www/magento2/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\App\Http->catchException()
#53 /var/www/magento2/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\App\Http\Interceptor->___callParent()
#54 /var/www/magento2/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\Http\Interceptor->Magento\Framework\Interception\{closure}()
#55 /var/www/magento2/generated/code/Magento/Framework/App/Http/Interceptor.php(32): Magento\Framework\App\Http\Interceptor->___callPlugins()
#56 /var/www/magento2/vendor/magento/framework/App/Bootstrap.php(269): Magento\Framework\App\Http\Interceptor->catchException()
#57 /var/www/magento2/pub/index.php(40): Magento\Framework\App\Bootstrap->run()
#58 {main}