Deprecated: Symfony\Component\Mailer\Test\Constraint\EmailCount::__construct(): Implicitly marking parameter $transport as nullable is deprecated, the explicit nullable type must be used instead in D:\Webserver\Apache24\htdocs\laravel\basic\vendor\symfony\mailer\Test\Constraint\EmailCount.php on line 23

Fatal error: Uncaught Error: Class "PHPUnit\Framework\Constraint\Constraint" not found in D:\Webserver\Apache24\htdocs\laravel\basic\vendor\symfony\mailer\Test\Constraint\EmailCount.php:17 Stack trace: #0 {main} thrown in D:\Webserver\Apache24\htdocs\laravel\basic\vendor\symfony\mailer\Test\Constraint\EmailCount.php on line 17