Fatal error: Uncaught Error: Class "Nette\DI\CompilerExtension" not found in /var/www/html/smtp/vendor/nette/bootstrap/src/Bootstrap/Extensions/ConstantsExtension.php:19 Stack trace: #0 {main} thrown in /var/www/html/smtp/vendor/nette/bootstrap/src/Bootstrap/Extensions/ConstantsExtension.php on line 19