Fatal error: Uncaught Magento\Framework\Exception\NotFoundException: Could not locate schema: 'urn:magento:framework:ObjectManager/etc/config.xsd' at '/ObjectManager/etc/config.xsd' in /var/www/html/lib/internal/Magento/Framework/Config/Dom/UrnResolver.php:59 Stack trace: #0 /var/www/html/lib/internal/Magento/Framework/ObjectManager/Config/SchemaLocator.php(31): Magento\Framework\Config\Dom\UrnResolver->getRealPath() #1 /var/www/html/lib/internal/Magento/Framework/Config/Reader/Filesystem.php(111): Magento\Framework\ObjectManager\Config\SchemaLocator->getSchema() #2 /var/www/html/lib/internal/Magento/Framework/ObjectManager/Config/Reader/Dom.php(47): Magento\Framework\Config\Reader\Filesystem->__construct() #3 /var/www/html/lib/internal/Magento/Framework/App/ObjectManagerFactory.php(274): Magento\Framework\ObjectManager\Config\Reader\Dom->__construct() #4 /var/www/html/lib/internal/Magento/Framework/App/ObjectManagerFactory.php(140): Magento\Framework\App\ObjectManagerFactory->_loadPrimaryConfig() #5 /var/www/html/lib/internal/Magento/Framework/App/Bootstrap.php(212): Magento\Framework\App\ObjectManagerFactory->create() #6 /var/www/html/lib/internal/Magento/Framework/App/Bootstrap.php(127): Magento\Framework\App\Bootstrap->__construct() #7 /var/www/html/pub/index.php(27): Magento\Framework\App\Bootstrap::create() #8 {main} Next Magento\Framework\Exception\State\InitException: Could not locate schema: 'urn:magento:framework:ObjectManager/etc/config.xsd' at '/ObjectManager/etc/config.xsd' in /var/www/html/lib/internal/Magento/Framework/App/ObjectManagerFactory.php:281 Stack trace: #0 /var/www/html/lib/internal/Magento/Framework/App/ObjectManagerFactory.php(140): Magento\Framework\App\ObjectManagerFactory->_loadPrimaryConfig() #1 /var/www/html/lib/internal/Magento/Framework/App/Bootstrap.php(212): Magento\Framework\App\ObjectManagerFactory->create() #2 /var/www/html/lib/internal/Magento/Framework/App/Bootstrap.php(127): Magento\Framework\App\Bootstrap->__construct() #3 /var/www/html/pub/index.php(27): Magento\Framework\App\Bootstrap::create() #4 {main} thrown in /var/www/html/lib/internal/Magento/Framework/App/ObjectManagerFactory.php on line 281