Call to undefined method Illuminate\Auth\TokenGuard::login()

I try to register a new user to my app using only JSON and api guard with token driver. I got this strange error :

FatalThrowableError in RegistersUsers.php line 32:
Call to undefined method Illuminate\Auth\TokenGuard::login()
in RegistersUsers.php line 32
at RegisterController->register(object(Request))
at call_user_func_array(array(object(RegisterController), 'register'), array(object(Request))) in Controller.php line 55
at Controller->callAction('register', array(object(Request))) in ControllerDispatcher.php line 44
at ControllerDispatcher->dispatch(object(Route), object(RegisterController), 'register') in Route.php line 189
at Route->runController() in Route.php line 144
at Route->run(object(Request)) in Router.php line 642
at Router->Illuminate\Routing\{closure}(object(Request)) in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request)) in RedirectIfAuthenticated.php line 24
at RedirectIfAuthenticated->handle(object(Request), object(Closure)) in Pipeline.php line 137
at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) in Pipeline.php line 33
at Pipeline->Illuminate\Routing\{closure}(object(Request)) in Pipeline.php line 104
at Pipeline->then(object(Closure)) in Router.php line 644
at Router->runRouteWithinStack(object(Route), object(Request)) in Router.php line 618
at Router->dispatchToRoute(object(Request)) in Router.php line 596
at Router->dispatch(object(Request)) in Kernel.php line 267
at Kernel->Illuminate\Foundation\Http\{closure}(object(Request)) in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request)) in CheckForMaintenanceMode.php line 46
at CheckForMaintenanceMode->handle(object(Request), object(Closure)) in Pipeline.php line 137
at Pipeline->Illuminate\Pipeline\{closure}(object(Request)) in Pipeline.php line 33
at Pipeline->Illuminate\Routing\{closure}(object(Request)) in Pipeline.php line 104
at Pipeline->then(object(Closure)) in Kernel.php line 149
at Kernel->sendRequestThroughRouter(object(Request)) in Kernel.php line 116
at Kernel->handle(object(Request)) in index.php line 53

via Chebli Mohamed