rol no tutor

app/app/Http/Controllers/GrupoController.php

@@ -36,8 +36,7 @@ class GrupoController extends Controller
     /**
      * Store a newly created resource in storage.
      */
-    public function store(Request $request)
-    {
+    public function store(Request $request)    {
         //dd($request->all());
         $request->validate([
             'grupo' => 'required|string|max:5',

app/resources/views/admin/tutores/create.blade.php

@@ -24,7 +24,7 @@
                                          <select name="persona_id" class="form-control" required>
                                          <option value="">Selecciona una persona</option>
                                          @foreach($personas as $persona)
-                                        <option value="{{ $persona->id_persona }}">{{ $persona->id_persona }} - {{ $persona->nombre}} {{ $persona->apellido_paterno}} {{ $persona->apellido_materno}} - {{ $persona->rol->nombre_rol}}</option>
+                                        <option value="{{ $persona->id_persona }}">{{ $persona->id_persona }} - {{ $persona->nombre}} {{ $persona->apellido_paterno}} {{ $persona->apellido_materno}} - {{ $persona->rol}}</option>
                                         @endforeach
                                  </select>
                                  @error('persona_id')