Fatal error: Uncaught Error: Class "Illuminate\Database\Connection" not found in D:\Application\www\Training\vendor\yajra\laravel-oci8\src\Oci8\Oci8Connection.php:20 Stack trace: #0 {main} thrown in D:\Application\www\Training\vendor\yajra\laravel-oci8\src\Oci8\Oci8Connection.php on line 20