Fatal error: Uncaught Error: Class 'Magento\Config\App\Config\Type\System\Reader\Proxy' not found in /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php:121 Stack trace: #0 /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Config\\...', Array) #1 /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Config\\...') #2 /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Magento\\Config\\...') #3 /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Config\\...') #4 /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(125): Magento\Framework in /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php on line 121