Trying to get property 'followers' of non-object

(1/1) ErrorException

Trying to get property 'followers' of non-object

in ProfileController.php line 48
at HandleExceptions->handleError(8, 'Trying to get property \'followers\' of non-object', '/www/wwwroot/blt.qa.pjcgart.com/app/Http/Controllers/ProfileController.php', 48, array('userName' => 'BLT%E5%B9%B3%E5%8F%B0%E7%AE%A1%E7%90%86%E5%91%98%E8%B4%A6%E5%8F%B7', 'user' => null))in ProfileController.php line 48
at ProfileController->followers('BLT%E5%B9%B3%E5%8F%B0%E7%AE%A1%E7%90%86%E5%91%98%E8%B4%A6%E5%8F%B7')
at call_user_func_array(array(object(ProfileController), 'followers'), array('userName' => 'BLT%E5%B9%B3%E5%8F%B0%E7%AE%A1%E7%90%86%E5%91%98%E8%B4%A6%E5%8F%B7'))in Controller.php line 54
at Controller->callAction('followers', array('userName' => 'BLT%E5%B9%B3%E5%8F%B0%E7%AE%A1%E7%90%86%E5%91%98%E8%B4%A6%E5%8F%B7'))in ControllerDispatcher.php line 45
at ControllerDispatcher->dispatch(object(Route), object(ProfileController), 'followers')in Route.php line 219
at Route->runController()in Route.php line 176
at Route->run()in Router.php line 680
at Router->Illuminate\Routing\{closure}(object(Request))in Pipeline.php line 30
at Pipeline->Illuminate\Routing\{closure}(object(Request))in SubstituteBindings.php line 41
at SubstituteBindings->handle(object(Request), object(Closure))in Pipeline.php line 163
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in VerifyCsrfToken.php line 75
at VerifyCsrfToken->handle(object(Request), object(Closure))in Pipeline.php line 163
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 163
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php line 53
at Pipeline->Illuminate\Routing\{closure}(object(Request))in StartSession.php line 56
at StartSession->handle(object(Request), object(Closure))in Pipeline.php line 163
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 163
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 163
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 682
at Router->runRouteWithinStack(object(Route), object(Request))in Router.php line 657
at Router->runRoute(object(Request), object(Route))in Router.php line 623
at Router->dispatchToRoute(object(Request))in Router.php line 612
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 163
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