Fatal error: Uncaught Error: Class 'Magento\Theme\Model\Config\Processor\DesignTheme\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\\Theme\\M...', Array) #1 /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Theme\\M...') #2 /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(125): Magento\Framework\ObjectManager\Factory\Compiled->get('Magento\\Theme\\M...') #3 /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(86): Magento\Framework\ObjectManager\Factory\Compiled->parseArray(Array) #4 /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectMa in /opt/magento/public_html/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php on line 121