Trying to get property 'get_def_cat' of non-object

(1/1) ErrorException

Trying to get property 'get_def_cat' of non-object

in SiteController.php line 116
at HandleExceptions->handleError(8, 'Trying to get property \'get_def_cat\' of non-object', '/home/shahresa/mmz2@@/app/Http/Controllers/SiteController.php', 116, array('cat' => 'old', 'code' => '375-', 'matches' => array(array('375-')), 'd' => 375, 'prd' => null))in SiteController.php line 116
at SiteController->show('old', '375-')
at call_user_func_array(array(object(SiteController), 'show'), array('cat' => 'old', 'code' => '375-'))in Controller.php line 54
at Controller->callAction('show', array('cat' => 'old', 'code' => '375-'))in ControllerDispatcher.php line 45
at ControllerDispatcher->dispatch(object(Route), object(SiteController), 'show')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 Statistics.php line 55
at Statistics->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 ThrottleRequests.php line 58
at ThrottleRequests->handle(object(Request), object(Closure), 600, '1')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 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 63
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 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 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 56