Fatal error: Uncaught InvalidArgumentException: The "TLS" encryption is not supported in /srv/www/alex/public/vendor/symfony/symfony/src/Symfony/Component/Config/Definition/Builder/ExprBuilder.php:189 Stack trace: #0 /srv/www/alex/public/vendor/symfony/symfony/src/Symfony/Component/Config/Definition/Builder/ExprBuilder.php(241): Symfony\Component\Config\Definition\Builder\ExprBuilder->Symfony\Component\Config\Definition\Builder\{closure}() #1 /srv/www/alex/public/vendor/symfony/symfony/src/Symfony/Component/Config/Definition/BaseNode.php(334): Symfony\Component\Config\Definition\Builder\ExprBuilder::Symfony\Component\Config\Definition\Builder\{closure}() #2 /srv/www/alex/public/vendor/symfony/symfony/src/Symfony/Component/Config/Definition/ArrayNode.php(242): Symfony\Component\Config\Definition\BaseNode->finalize() #3 /srv/www/alex/public/vendor/symfony/symfony/src/Symfony/Component/Config/Definition/BaseNode.php(328): Symfony\Component\Config\Definition\ArrayNode->finalizeValue() #4 /srv/www/alex/public/vendor/symfony/sy in /srv/www/alex/public/vendor/symfony/symfony/src/Symfony/Component/Config/Definition/BaseNode.php on line 338