Warning: DOMDocument::schemaValidate(): Invalid Schema in /home/die-goldschmiede/public_html/vendor/magento/framework/Config/Dom.php on line 311

Fatal error: Uncaught Magento\Framework\Exception\LocalizedException: Invalid Document Line: 0 Line: 0 Line: 0 Line: 0 Line: 0 Line: 0 Line: 0 Line: 0 Line: 0 Line: 0 Line: 0 Line: 0 Line: 0 in /home/die-goldschmiede/public_html/vendor/magento/framework/Config/Reader/Filesystem.php:160 Stack trace: #0 /home/die-goldschmiede/public_html/vendor/magento/framework/Config/Reader/Filesystem.php(127): Magento\Framework\Config\Reader\Filesystem->_readFiles(Object(Magento\Framework\Config\FileIterator)) #1 /home/die-goldschmiede/public_html/vendor/magento/framework/App/ObjectManagerFactory.php(282): Magento\Framework\Config\Reader\Filesystem->read('primary') #2 /home/die-goldschmiede/public_html/vendor/magento/framework/App/ObjectManagerFactory.php(142): Magento\Framework\App\ObjectManagerFactory->_loadPrimaryConfig(Object(Magento\Framework\App\Filesystem\DirectoryList), Object(Magento\Framework\Filesystem\DriverPool), Object(Magento\Framework\ObjectManager\Config\Mapper\Dom), 'developer') #3 /home/die-g in /home/die-goldschmiede/public_html/vendor/magento/framework/App/ObjectManagerFactory.php on line 284