Fatal error: Uncaught Error: Class 'Magento\Ui\Config\Argument\Parser\Composite\Proxy' not found in /var/www/web_magento/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php:116 Stack trace: #0 /var/www/web_magento/vendor/magento/framework/ObjectManager/Factory/Compiled.php(108): Magento\Framework\ObjectManager\Factory\AbstractFactory->createObject('Magento\\Ui\\Conf...', Array) #1 /var/www/web_magento/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Ui\\Conf...') #2 /var/www/web_magento/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Magento\\Ui\\Conf...') #3 /var/www/web_magento/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Ui\\Conf...') #4 /var/www/web_magento/vendor/magento/framework/ObjectManager/Factory/Compiled.php(125): Magento\Framework\ObjectManager\Factory\Co in /var/www/web_magento/vendor/magento/framework/ObjectManager/Factory/AbstractFactory.php on line 116