Exception: Warning: Use of undefined constant MCRYPT_RIJNDAEL_256 - assumed 'MCRYPT_RIJNDAEL_256' (this will throw an Error in a future version of PHP) in /home/smtpweb2market/public_html/vendor/magento/framework/Encryption/Encryptor.php on line 394 in /home/smtpweb2market/public_html/vendor/magento/framework/App/ErrorHandler.php:61 Stack trace: #0 /home/smtpweb2market/public_html/vendor/magento/framework/Encryption/Encryptor.php(394): Magento\Framework\App\ErrorHandler->handler(2, 'Use of undefine...', '/home/smtpweb2m...', 394, Array) #1 /home/smtpweb2market/public_html/vendor/magento/framework/Encryption/Encryptor.php(313): Magento\Framework\Encryption\Encryptor->getCrypt('46038de4d809bf9...', 2, 'GfsVeu6hDlm9P2q...') #2 /home/smtpweb2market/public_html/vendor/magento/module-config/Model/Config/Backend/Encrypted.php(109): Magento\Framework\Encryption\Encryptor->decrypt('9YnTS37RAMCkmM7...') #3 /home/smtpweb2market/public_html/var/generation/Magento/Config/Model/Config/Backend/Encrypted/Interceptor.php(37): Magento\Config\Model\Config\Backend\Encrypted->processValue('0:2:GfsVeu6hDlm...') #4 /home/smtpweb2market/public_html/vendor/magento/framework/App/Config/MetadataProcessor.php(86): Magento\Config\Model\Config\Backend\Encrypted\Interceptor->processValue('0:2:GfsVeu6hDlm...') #5 /home/smtpweb2market/public_html/vendor/magento/framework/App/Config/Data.php(33): Magento\Framework\App\Config\MetadataProcessor->process(Array) #6 /home/smtpweb2market/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php(93): Magento\Framework\App\Config\Data->__construct(Object(Magento\Framework\App\Config\MetadataProcessor), Array) #7 /home/smtpweb2market/public_html/vendor/magento/framework/ObjectManager/Factory/Dynamic/Developer.php(89): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Framewo...', Array) #8 /home/smtpweb2market/public_html/vendor/magento/framework/ObjectManager/ObjectManager.php(57): Magento\Framework\ObjectManager\Factory\Dynamic\Developer->create('Magento\\Framewo...', Array) #9 /home/smtpweb2market/public_html/vendor/magento/framework/App/Config/DataFactory.php(46): Magento\Framework\ObjectManager\ObjectManager->create('Magento\\Framewo...', Array) #10 /home/smtpweb2market/public_html/vendor/magento/framework/App/Config/ScopePool.php(118): Magento\Framework\App\Config\DataFactory->create(Array) #11 /home/smtpweb2market/public_html/vendor/magento/framework/App/Config.php(45): Magento\Framework\App\Config\ScopePool->getScope('default', NULL) #12 /home/smtpweb2market/public_html/vendor/magento/framework/App/Config.php(58): Magento\Framework\App\Config->getValue('web/secure/use_...', 'default', NULL) #13 /home/smtpweb2market/public_html/vendor/magento/module-store/Model/HeaderProvider/Hsts.php(48): Magento\Framework\App\Config->isSetFlag('web/secure/use_...') #14 /home/smtpweb2market/public_html/vendor/magento/framework/App/Response/HeaderManager.php(41): Magento\Store\Model\HeaderProvider\Hsts->canApply() #15 /home/smtpweb2market/public_html/vendor/magento/framework/Interception/Interceptor.php(123): Magento\Framework\App\Response\HeaderManager->beforeSendResponse(Object(Magento\Framework\App\Response\Http\Interceptor)) #16 /home/smtpweb2market/public_html/var/generation/Magento/Framework/App/Response/Http/Interceptor.php(117): Magento\Framework\App\Response\Http\Interceptor->___callPlugins('sendResponse', Array, Array) #17 /home/smtpweb2market/public_html/vendor/magento/framework/App/Http.php(185): Magento\Framework\App\Response\Http\Interceptor->sendResponse() #18 /home/smtpweb2market/public_html/vendor/magento/framework/App/Http.php(156): Magento\Framework\App\Http->handleDeveloperMode(Object(Magento\Framework\App\Bootstrap), Object(Exception)) #19 /home/smtpweb2market/public_html/vendor/magento/framework/App/Bootstrap.php(263): Magento\Framework\App\Http->catchException(Object(Magento\Framework\App\Bootstrap), Object(Exception)) #20 /home/smtpweb2market/public_html/index.php(39): Magento\Framework\App\Bootstrap->run(Object(Magento\Framework\App\Http)) #21 {main}