Fatal error: Uncaught Error: Interface "Phpml\NeuralNetwork\ActivationFunction" not found in C:\xampp\htdocs\batuhansunar\vendor\php-ai\php-ml\src\NeuralNetwork\ActivationFunction\HyperbolicTangent.php:9 Stack trace: #0 {main} thrown in C:\xampp\htdocs\batuhansunar\vendor\php-ai\php-ml\src\NeuralNetwork\ActivationFunction\HyperbolicTangent.php on line 9