Fatal error: Uncaught Error: Class "OpenAI\Testing\ClientFake" not found in /home/melihata/public_html/vendor/openai-php/laravel/src/Testing/OpenAIFake.php:7 Stack trace: #0 {main} thrown in /home/melihata/public_html/vendor/openai-php/laravel/src/Testing/OpenAIFake.php on line 7