Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in C:\xampp\htdocs\OFFLINE\VulturAr\laravel9-php81\vendor\openai-php\laravel\src\ServiceProvider.php:15 Stack trace: #0 {main} thrown in C:\xampp\htdocs\OFFLINE\VulturAr\laravel9-php81\vendor\openai-php\laravel\src\ServiceProvider.php on line 15