Trying to get property 'portfolio_id' of non-object

(1/1) ErrorException

Trying to get property 'portfolio_id' of non-object

in PortfolioController.php line 56
at HandleExceptions->handleError(8, 'Trying to get property \'portfolio_id\' of non-object', '/home/sites/matm.co.uk/packages/andrew/portfolio/src/Http/PortfolioController.php', 56, array('title' => 'design', 'url' => 'flyer-design-and-print', 'data' => array('content' => null)))in PortfolioController.php line 56
at PortfolioController->frontendViewSelected('design', 'flyer-design-and-print')
at call_user_func_array(array(object(PortfolioController), 'frontendViewSelected'), array('title' => 'design', 'url' => 'flyer-design-and-print'))in Controller.php line 54
at Controller->callAction('frontendViewSelected', array('title' => 'design', 'url' => 'flyer-design-and-print'))in ControllerDispatcher.php line 45
at ControllerDispatcher->dispatch(object(Route), object(PortfolioController), 'frontendViewSelected')in Route.php line 219
at Route->runController()in Route.php line 176
at Route->run()in Router.php line 682
at Router->Illuminate\Routing\{closure}(object(Request))in Pipeline.php line 30
at Pipeline->Illuminate\Routing\{closure}(object(Request))in Pipeline.php line 104
at Pipeline->then(object(Closure))in Router.php line 684
at Router->runRouteWithinStack(object(Route), object(Request))in Router.php line 659
at Router->runRoute(object(Request), object(Route))in Router.php line 625
at Router->dispatchToRoute(object(Request))in Router.php line 614
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 TrustProxies.php line 57
at TrustProxies->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 TransformsRequest.php line 31
at TransformsRequest->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 TransformsRequest.php line 31
at TransformsRequest->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 ValidatePostSize.php line 27
at ValidatePostSize->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 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 64