Fatal error: Uncaught Error: Class "Phpml\Helper\Optimizer\GD" not found in C:\xampp\htdocs\batuhansunar\vendor\php-ai\php-ml\src\Helper\Optimizer\ConjugateGradient.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\batuhansunar\vendor\php-ai\php-ml\src\Helper\Optimizer\ConjugateGradient.php on line 20