Fatal error: Uncaught Error: Interface 'Symfony\Component\Intl\Data\Bundle\Writer\BundleWriterInterface' not found in /var/www/html/simplesamlphp/vendor/symfony/intl/Data/Bundle/Writer/PhpBundleWriter.php:23
Stack trace:
#0 {main}
  thrown in /var/www/html/simplesamlphp/vendor/symfony/intl/Data/Bundle/Writer/PhpBundleWriter.php on line 23