Fatal error: Uncaught Error: Class "Core\Authentication\CoreAuth" not found in C:\xampp\htdocs\www\zdxnew\web\vendor\apimatic\core\tests\Mocking\Authentication\FormAuthManager.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\www\zdxnew\web\vendor\apimatic\core\tests\Mocking\Authentication\FormAuthManager.php on line 8