BindingResolutionException Error (lumen 5.4)

Hi,
We got a following error when use prettus/laravel-validator at lumen 5.4

`BindingResolutionException in Container.php line 804: Target [Illuminate\Contracts\Translation\Translator] is not instantiable while building [PCKM\Validators\UserValidator, Illuminate\Validation\Factory`].

Please suggest me how to resolve it.