Fatal error: Uncaught Error: Class "Nette\PhpGenerator\Printer" not found in /var/www/html/smtp/vendor/nette/php-generator/src/PhpGenerator/PsrPrinter.php:16 Stack trace: #0 {main} thrown in /var/www/html/smtp/vendor/nette/php-generator/src/PhpGenerator/PsrPrinter.php on line 16