Fatal error: Uncaught Error: Class "Twig\Loader\FilesystemLoader" not found in /var/www/apache/dev/cal/web/vendor/symfony/twig-bridge/Tests/Extension/Fixtures/StubFilesystemLoader.php:16 Stack trace: #0 {main} thrown in /var/www/apache/dev/cal/web/vendor/symfony/twig-bridge/Tests/Extension/Fixtures/StubFilesystemLoader.php on line 16