Notice: Undefined variable: container in C:\xampp\htdocs\apps\carwash\vendor\symfony\swiftmailer-bundle\Tests\DependencyInjection\Fixtures\config\php\spool.php on line 3

Fatal error: Call to a member function loadFromExtension() on null in C:\xampp\htdocs\apps\carwash\vendor\symfony\swiftmailer-bundle\Tests\DependencyInjection\Fixtures\config\php\spool.php on line 3