Exception: Warning: SessionHandler::read(): open(/home/cityunbox/tmp/sess_1efu7t77s00mjuorqo49us3b6o, O_RDWR) failed: No space left on device (28) in /home/cityunbox/public_html/vendor/magento/framework/Session/SaveHandler/Native.php on line 22 in /home/cityunbox/public_html/vendor/magento/framework/App/ErrorHandler.php:61 Stack trace: #0 [internal function]: Magento\Framework\App\ErrorHandler->handler() #1 /home/cityunbox/public_html/vendor/magento/framework/Session/SaveHandler/Native.php(22): SessionHandler->read() #2 /home/cityunbox/public_html/vendor/magento/framework/Session/SaveHandler.php(139): Magento\Framework\Session\SaveHandler\Native->read() #3 /home/cityunbox/public_html/vendor/magento/framework/Session/SaveHandler.php(84): Magento\Framework\Session\SaveHandler->callSafely() #4 [internal function]: Magento\Framework\Session\SaveHandler->read() #5 /home/cityunbox/public_html/vendor/magento/framework/Session/SessionManager.php(204): session_start() #6 /home/cityunbox/public_html/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\Session\SessionManager->start() #7 /home/cityunbox/public_html/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\Session\Generic\Interceptor->___callParent() #8 /home/cityunbox/public_html/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\Session\Generic\Interceptor->Magento\Framework\Interception\{closure}() #9 /home/cityunbox/public_html/generated/code/Magento/Framework/Session/Generic/Interceptor.php(52): Magento\Framework\Session\Generic\Interceptor->___callPlugins() #10 /home/cityunbox/public_html/vendor/magento/framework/Session/SessionManager.php(141): Magento\Framework\Session\Generic\Interceptor->start() #11 /home/cityunbox/public_html/generated/code/Magento/Framework/Session/Generic/Interceptor.php(14): Magento\Framework\Session\SessionManager->__construct() #12 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(121): Magento\Framework\Session\Generic\Interceptor->__construct() #13 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(66): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject() #14 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create() #15 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(167): Magento\Framework\ObjectManager\ObjectManager->get() #16 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(273): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument() #17 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(236): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument() #18 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime() #19 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments() #20 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create() #21 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(167): Magento\Framework\ObjectManager\ObjectManager->get() #22 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(273): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument() #23 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(236): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument() #24 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime() #25 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments() #26 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create() #27 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(167): Magento\Framework\ObjectManager\ObjectManager->get() #28 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(273): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument() #29 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(236): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument() #30 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime() #31 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments() #32 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create() #33 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(167): Magento\Framework\ObjectManager\ObjectManager->get() #34 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(273): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgument() #35 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(236): Magento\Framework\ObjectManager\Factory\AbstractFactory->getResolvedArgument() #36 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(34): Magento\Framework\ObjectManager\Factory\AbstractFactory->resolveArgumentsInRuntime() #37 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(59): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->_resolveArguments() #38 /home/cityunbox/public_html/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create() #39 /home/cityunbox/public_html/vendor/magento/framework/Interception/PluginList/PluginList.php(250): Magento\Framework\ObjectManager\ObjectManager->get() #40 /home/cityunbox/public_html/vendor/magento/framework/Interception/Interceptor.php(119): Magento\Framework\Interception\PluginList\PluginList->getPlugin() #41 /home/cityunbox/public_html/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\Http\Context\Interceptor->Magento\Framework\Interception\{closure}() #42 /home/cityunbox/public_html/generated/code/Magento/Framework/App/Http/Context/Interceptor.php(78): Magento\Framework\App\Http\Context\Interceptor->___callPlugins() #43 /home/cityunbox/public_html/vendor/magento/framework/App/Response/Http.php(108): Magento\Framework\App\Http\Context\Interceptor->getVaryString() #44 /home/cityunbox/public_html/generated/code/Magento/Framework/App/Response/Http/Interceptor.php(37): Magento\Framework\App\Response\Http->sendVary() #45 /home/cityunbox/public_html/vendor/magento/module-page-cache/Model/App/Response/HttpPlugin.php(29): Magento\Framework\App\Response\Http\Interceptor->sendVary() #46 /home/cityunbox/public_html/vendor/magento/framework/Interception/Interceptor.php(121): Magento\PageCache\Model\App\Response\HttpPlugin->beforeSendResponse() #47 /home/cityunbox/public_html/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\Response\Http\Interceptor->Magento\Framework\Interception\{closure}() #48 /home/cityunbox/public_html/generated/code/Magento/Framework/App/Response/Http/Interceptor.php(117): Magento\Framework\App\Response\Http\Interceptor->___callPlugins() #49 /home/cityunbox/public_html/vendor/magento/framework/App/ExceptionHandler.php(103): Magento\Framework\App\Response\Http\Interceptor->sendResponse() #50 /home/cityunbox/public_html/vendor/magento/framework/App/ExceptionHandler.php(70): Magento\Framework\App\ExceptionHandler->handleDeveloperMode() #51 /home/cityunbox/public_html/vendor/magento/framework/App/Http.php(156): Magento\Framework\App\ExceptionHandler->handle() #52 /home/cityunbox/public_html/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\App\Http->catchException() #53 /home/cityunbox/public_html/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\App\Http\Interceptor->___callParent() #54 /home/cityunbox/public_html/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\Http\Interceptor->Magento\Framework\Interception\{closure}() #55 /home/cityunbox/public_html/generated/code/Magento/Framework/App/Http/Interceptor.php(39): Magento\Framework\App\Http\Interceptor->___callPlugins() #56 /home/cityunbox/public_html/vendor/magento/framework/App/Bootstrap.php(269): Magento\Framework\App\Http\Interceptor->catchException() #57 /home/cityunbox/public_html/pub/index.php(40): Magento\Framework\App\Bootstrap->run() #58 {main}