Trying to get property 'id' of non-object

(1/1) ErrorException

Trying to get property 'id' of non-object

in BullsController.php line 37
at HandleExceptions->handleError(8, 'Trying to get property \'id\' of non-object', '/home/solucaogenetica.com.br/app/Http/Controllers/BullsController.php', 37, array('slug' => 'shorthorn', 'config' => object(Configuration), 'bull' => null))in BullsController.php line 37
at BullsController->view('shorthorn')
at call_user_func_array(array(object(BullsController), 'view'), array('slug' => 'shorthorn'))in Controller.php line 54
at Controller->callAction('view', array('slug' => 'shorthorn'))in ControllerDispatcher.php line 45
at ControllerDispatcher->dispatch(object(Route), object(BullsController), 'view')in Route.php line 212
at Route->runController()in Route.php line 169
at Route->run()in Router.php line 665
at Router->Illuminate\Routing\{closure}(object(Request))in Pipeline.php line 30
at Pipeline->Illuminate\Routing\{closure}(object(Request))in Development.php line 32
at Development->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in Locale.php line 24
at Locale->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in VerifyCsrfToken.php line 68
at VerifyCsrfToken->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in ShareErrorsFromSession.php line 49
at ShareErrorsFromSession->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in StartSession.php line 63
at StartSession->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in AddQueuedCookiesToResponse.php line 37
at AddQueuedCookiesToResponse->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in EncryptCookies.php line 66
at EncryptCookies->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in Pipeline.php line 104
at Pipeline->then(object(Closure))in Router.php line 667
at Router->runRouteWithinStack(object(Route), object(Request))in Router.php line 642
at Router->runRoute(object(Request), object(Route))in Router.php line 608
at Router->dispatchToRoute(object(Request))in Router.php line 597
at Router->dispatch(object(Request))in Kernel.php line 176
at Kernel->Illuminate\Foundation\Http\{closure}(object(Request))in Pipeline.php line 30
at Pipeline->Illuminate\Routing\{closure}(object(Request))in CheckForMaintenanceMode.php line 62
at CheckForMaintenanceMode->handle(object(Request), object(Closure))in Pipeline.php line 151
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in Pipeline.php line 104
at Pipeline->then(object(Closure))in Kernel.php line 151
at Kernel->sendRequestThroughRouter(object(Request))in Kernel.php line 116
at Kernel->handle(object(Request))in index.php line 53