Fatal error: Uncaught Symfony\Component\Config\Util\Exception\XmlParsingException: [ERROR 522] Validation failed: no DTD found ! (in n/a - line 2, column 67) [ERROR 64] XML declaration allowed only at the start of the document (in n/a - line 137, column 6) [ERROR 5] Extra content at the end of the document (in n/a - line 138, column 1) in /www/wwwroot/latiendadeelectricidad/vendor/symfony/symfony/src/Symfony/Component/Config/Util/XmlUtils.php:66 Stack trace: #0 /www/wwwroot/latiendadeelectricidad/vendor/symfony/symfony/src/Symfony/Component/Config/Util/XmlUtils.php(146): Symfony\Component\Config\Util\XmlUtils::parse() #1 /www/wwwroot/latiendadeelectricidad/vendor/symfony/symfony/src/Symfony/Component/Translation/Loader/XliffFileLoader.php(54): Symfony\Component\Config\Util\XmlUtils::loadFile() #2 /www/wwwroot/latiendadeelectricidad/vendor/symfony/symfony/src/Symfony/Component/Translation/Loader/XliffFileLoader.php(42): Symfony\Component\Translation\Loader\XliffFileLoader->extract() #3 /www/wwwroot/latiendadeelectricidad/v in /www/wwwroot/latiendadeelectricidad/vendor/symfony/symfony/src/Symfony/Component/Translation/Loader/XliffFileLoader.php on line 56