Fatal error: Uncaught Error: Class "Illuminate\Database\Schema\Grammars\Grammar" not found in D:\Application\www\Training\vendor\yajra\laravel-oci8\src\Oci8\Schema\Comment.php:9 Stack trace: #0 {main} thrown in D:\Application\www\Training\vendor\yajra\laravel-oci8\src\Oci8\Schema\Comment.php on line 9