ReflectionException: Class Mageplaza\EmailAttachments\Mail\EmailMessageFactory does not exist in /var/www/html/vendor/magento/framework/Code/Reader/ClassReader.php:26 Stack trace: #0 /var/www/html/vendor/magento/framework/Code/Reader/ClassReader.php(26): ReflectionClass->__construct('Mageplaza\\Email...') #1 /var/www/html/vendor/magento/framework/ObjectManager/Definition/Runtime.php(54): Magento\Framework\Code\Reader\ClassReader->getConstructor('Mageplaza\\Email...') #2 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(100): Magento\Framework\ObjectManager\Definition\Runtime->getParameters('Mageplaza\\Email...') #3 /var/www/html/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Compiled->create('Mageplaza\\Email...') #4 /var/www/html/vendor/magento/framework/Mail/Template/TransportBuilder.php(167): Magento\Framework\ObjectManager\ObjectManager->get('Mageplaza\\Email...') #5 /var/www/html/generated/code/Magento/Framework/Mail/Template/TransportBuilder/Interceptor.php(14): Magento\Framework\Mail\Template\TransportBuilder->__construct(Object(Magento\Framework\Mail\Template\Factory), Object(Ebizmarts\Mandrill\Model\Message\Interceptor), Object(Dotdigitalgroup\Email\Model\Email\DotdigitalSenderResolver), Object(Magento\Framework\App\ObjectManager), Object(Magento\Framework\Mail\TransportInterfaceFactory\Interceptor), NULL, NULL, NULL, NULL, NULL) #6 /var/www/html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(121): Magento\Framework\Mail\Template\TransportBuilder\Interceptor->__construct(Object(Magento\Framework\Mail\Template\Factory), Object(Ebizmarts\Mandrill\Model\Message\Interceptor), Object(Dotdigitalgroup\Email\Model\Email\DotdigitalSenderResolver), Object(Magento\Framework\App\ObjectManager), Object(Magento\Framework\Mail\TransportInterfaceFactory\Interceptor), NULL, NULL, NULL, NULL, NULL) #7 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Framewo...', Array) #8 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Framewo...') #9 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Magento\\Framewo...') #10 /var/www/html/vendor/magento/framework/ObjectManager/ObjectManager.php(56): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Custome...', Array) #11 /var/www/html/generated/code/Magento/Customer/Model/CustomerFactory.php(43): Magento\Framework\ObjectManager\ObjectManager->create('\\Magento\\Custom...', Array) #12 /var/www/html/vendor/magento/module-customer/Model/Session.php(313): Magento\Customer\Model\CustomerFactory->create() #13 /var/www/html/app/code/Amasty/Gdpr/Observer/Customer/SessionInit.php(22): Magento\Customer\Model\Session->getCustomer() #14 /var/www/html/vendor/magento/framework/Event/Invoker/InvokerDefault.php(88): Amasty\Gdpr\Observer\Customer\SessionInit->execute(Object(Magento\Framework\Event\Observer)) #15 /var/www/html/vendor/magento/framework/Event/Invoker/InvokerDefault.php(74): Magento\Framework\Event\Invoker\InvokerDefault->_callObserverMethod(Object(Amasty\Gdpr\Observer\Customer\SessionInit), Object(Magento\Framework\Event\Observer)) #16 /var/www/html/vendor/magento/framework/Event/Manager.php(66): Magento\Framework\Event\Invoker\InvokerDefault->dispatch(Array, Object(Magento\Framework\Event\Observer)) #17 /var/www/html/generated/code/Magento/Framework/Event/Manager/Proxy.php(95): Magento\Framework\Event\Manager->dispatch('customer_sessio...', Array) #18 /var/www/html/vendor/magento/module-customer/Model/Session.php(194): Magento\Framework\Event\Manager\Proxy->dispatch('customer_sessio...', Array) #19 /var/www/html/generated/code/Magento/Customer/Model/Session/Interceptor.php(14): Magento\Customer\Model\Session->__construct(Object(Magento\Framework\App\Request\Http), Object(Magento\Framework\Session\SidResolver\Proxy), Object(Magento\Framework\Session\Config), Object(Magento\Framework\Session\SaveHandler), Object(Magento\Framework\Session\Validator), Object(Magento\Customer\Model\Session\Storage), Object(Magento\Framework\Stdlib\Cookie\PhpCookieManager), Object(Magento\Framework\Stdlib\Cookie\CookieMetadataFactory), Object(Magento\Framework\App\State\Interceptor), Object(Magento\Customer\Model\Config\Share\Proxy), Object(Magento\Framework\Url\Helper\Data), Object(Magento\Customer\Model\Url\Proxy), Object(Magento\Customer\Model\ResourceModel\Customer\Proxy), Object(Magento\Customer\Model\CustomerFactory), Object(Magento\Framework\UrlFactory), Object(Magento\Framework\Session\Generic\Interceptor), Object(Magento\Framework\Event\Manager\Proxy), Object(Magento\Framework\App\Http\Context\Interceptor), Object(Magento\Customer\Api\CustomerRepositoryInterface\Proxy), Object(Magento\Customer\Model\GroupManagement), Object(Magento\Framework\App\Response\Http\Interceptor), NULL) #20 /var/www/html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(121): Magento\Customer\Model\Session\Interceptor->__construct(Object(Magento\Framework\App\Request\Http), Object(Magento\Framework\Session\SidResolver\Proxy), Object(Magento\Framework\Session\Config), Object(Magento\Framework\Session\SaveHandler), Object(Magento\Framework\Session\Validator), Object(Magento\Customer\Model\Session\Storage), Object(Magento\Framework\Stdlib\Cookie\PhpCookieManager), Object(Magento\Framework\Stdlib\Cookie\CookieMetadataFactory), Object(Magento\Framework\App\State\Interceptor), Object(Magento\Customer\Model\Config\Share\Proxy), Object(Magento\Framework\Url\Helper\Data), Object(Magento\Customer\Model\Url\Proxy), Object(Magento\Customer\Model\ResourceModel\Customer\Proxy), Object(Magento\Customer\Model\CustomerFactory), Object(Magento\Framework\UrlFactory), Object(Magento\Framework\Session\Generic\Interceptor), Object(Magento\Framework\Event\Manager\Proxy), Object(Magento\Framework\App\Http\Context\Interceptor), Object(Magento\Customer\Api\CustomerRepositoryInterface\Proxy), Object(Magento\Customer\Model\GroupManagement), Object(Magento\Framework\App\Response\Http\Interceptor), NULL) #21 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Custome...', Array) #22 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Custome...') #23 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Magento\\Custome...') #24 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Checkou...') #25 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Magento\\Checkou...') #26 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Persist...') #27 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Magento\\Persist...') #28 /var/www/html/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Persist...') #29 /var/www/html/vendor/magento/framework/Interception/PluginList/PluginList.php(250): Magento\Framework\ObjectManager\ObjectManager->get('Magento\\Persist...') #30 /var/www/html/vendor/magento/framework/Interception/Interceptor.php(119): Magento\Framework\Interception\PluginList\PluginList->getPlugin('Magento\\Framewo...', 'persistent_page...') #31 /var/www/html/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\Http\Context\Interceptor->Magento\Framework\Interception\{closure}() #32 /var/www/html/generated/code/Magento/Framework/App/Http/Context/Interceptor.php(26): Magento\Framework\App\Http\Context\Interceptor->___callPlugins('getVaryString', Array, Array) #33 /var/www/html/vendor/magento/framework/App/Response/Http.php(108): Magento\Framework\App\Http\Context\Interceptor->getVaryString() #34 /var/www/html/vendor/magento/module-page-cache/Model/App/Response/HttpPlugin.php(25): Magento\Framework\App\Response\Http->sendVary() #35 /var/www/html/vendor/magento/framework/Interception/Interceptor.php(121): Magento\PageCache\Model\App\Response\HttpPlugin->beforeSendResponse(Object(Magento\Framework\App\Response\Http\Interceptor)) #36 /var/www/html/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\Response\Http\Interceptor->Magento\Framework\Interception\{closure}() #37 /var/www/html/generated/code/Magento/Framework/App/Response/Http/Interceptor.php(26): Magento\Framework\App\Response\Http\Interceptor->___callPlugins('sendResponse', Array, Array) #38 /var/www/html/vendor/magento/framework/App/ExceptionHandler.php(103): Magento\Framework\App\Response\Http\Interceptor->sendResponse() #39 /var/www/html/vendor/magento/framework/App/ExceptionHandler.php(70): Magento\Framework\App\ExceptionHandler->handleDeveloperMode(Object(Magento\Framework\App\Bootstrap), Object(ReflectionException), Object(Magento\Framework\App\Response\Http\Interceptor)) #40 /var/www/html/vendor/magento/framework/App/Http.php(156): Magento\Framework\App\ExceptionHandler->handle(Object(Magento\Framework\App\Bootstrap), Object(ReflectionException), Object(Magento\Framework\App\Response\Http\Interceptor), Object(Magento\Framework\App\Request\Http)) #41 /var/www/html/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Framework\App\Http->catchException(Object(Magento\Framework\App\Bootstrap), Object(ReflectionException)) #42 /var/www/html/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Framework\App\Http\Interceptor->___callParent('catchException', Array) #43 /var/www/html/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Framework\App\Http\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Framework\App\Bootstrap), Object(ReflectionException)) #44 /var/www/html/generated/code/Magento/Framework/App/Http/Interceptor.php(26): Magento\Framework\App\Http\Interceptor->___callPlugins('catchException', Array, Array) #45 /var/www/html/vendor/magento/framework/App/Bootstrap.php(267): Magento\Framework\App\Http\Interceptor->catchException(Object(Magento\Framework\App\Bootstrap), Object(ReflectionException)) #46 /var/www/html/pub/index.php(40): Magento\Framework\App\Bootstrap->run(Object(Magento\Framework\App\Http\Interceptor)) #47 {main}