Fatal error: Uncaught Symfony\Component\Config\Util\Exception\XmlParsingException: [ERROR 64] XML declaration allowed only at the start of the document (in n/a - line 2, column 6) [ERROR 3067] Failed to parse the XML resource 'in_memory_buffer'. (in n/a - line 0, column 0) in /home/cleopat/public_html/vendor/symfony/symfony/src/Symfony/Component/Config/Util/XmlUtils.php:213 Stack trace: #0 /home/cleopat/public_html/vendor/symfony/symfony/src/Symfony/Component/Config/Util/XmlUtils.php(291): Symfony\Component\Config\Util\XmlUtils::parse('<?xml version="...', Array) #1 /home/cleopat/public_html/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php(757): Symfony\Component\Config\Util\XmlUtils::loadFile('/home/cleopat/p...', Array) #2 /home/cleopat/public_html/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php(87): Symfony\Component\DependencyInjection\Loader\XmlFileLoader->parseFileToDOM('/home/cleopat/p...') #3 /home/cleopat/public_html/vendor/doctrin in /home/cleopat/public_html/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php on line 761