ErrorException: Attempt to read property "results" on null in file /home/site/wwwroot/app/Http/Controllers/ExportController.php on line 336
#0 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/HandleExceptions.php(255): Illuminate\Foundation\Bootstrap\HandleExceptions->handleError(2, 'Attempt to read...', '/home/site/wwwr...', 336)
#1 /home/site/wwwroot/app/Http/Controllers/ExportController.php(336): Illuminate\Foundation\Bootstrap\HandleExceptions->Illuminate\Foundation\Bootstrap\{closure}(2, 'Attempt to read...', '/home/site/wwwr...', 336)
#2 /home/site/wwwroot/routes/web.php(215): App\Http\Controllers\ExportController::propertyExport()
#3 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Routing/CallableDispatcher.php(40): Illuminate\Routing\RouteFileRegistrar->{closure}()
#4 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Routing/Route.php(237): Illuminate\Routing\CallableDispatcher->dispatch(Object(Illuminate\Routing\Route), Object(Closure))
#5 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Routing/Route.php(208): Illuminate\Routing\Route->runCallable()
#6 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Routing/Router.php(806): Illuminate\Routing\Route->run()
#7 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(144): Illuminate\Routing\Router->Illuminate\Routing\{closure}(Object(Illuminate\Http\Request))
#8 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Routing/Middleware/SubstituteBindings.php(50): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#9 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Routing\Middleware\SubstituteBindings->handle(Object(Illuminate\Http\Request), Object(Closure))
#10 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/VerifyCsrfToken.php(78): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#11 /home/site/wwwroot/app/Http/Middleware/VerifyCsrfToken.php(49): Illuminate\Foundation\Http\Middleware\VerifyCsrfToken->handle(Object(Illuminate\Http\Request), Object(Closure))
#12 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): App\Http\Middleware\VerifyCsrfToken->handle(Object(Illuminate\Http\Request), Object(Closure))
#13 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php(49): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#14 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\View\Middleware\ShareErrorsFromSession->handle(Object(Illuminate\Http\Request), Object(Closure))
#15 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(121): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#16 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(64): Illuminate\Session\Middleware\StartSession->handleStatefulRequest(Object(Illuminate\Http\Request), Object(Illuminate\Session\Store), Object(Closure))
#17 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Session\Middleware\StartSession->handle(Object(Illuminate\Http\Request), Object(Closure))
#18 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php(37): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#19 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse->handle(Object(Illuminate\Http\Request), Object(Closure))
#20 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/EncryptCookies.php(67): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#21 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Cookie\Middleware\EncryptCookies->handle(Object(Illuminate\Http\Request), Object(Closure))
#22 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(119): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#23 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Routing/Router.php(805): Illuminate\Pipeline\Pipeline->then(Object(Closure))
#24 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Routing/Router.php(784): Illuminate\Routing\Router->runRouteWithinStack(Object(Illuminate\Routing\Route), Object(Illuminate\Http\Request))
#25 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Routing/Router.php(748): Illuminate\Routing\Router->runRoute(Object(Illuminate\Http\Request), Object(Illuminate\Routing\Route))
#26 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Routing/Router.php(737): Illuminate\Routing\Router->dispatchToRoute(Object(Illuminate\Http\Request))
#27 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(200): Illuminate\Routing\Router->dispatch(Object(Illuminate\Http\Request))
#28 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(144): Illuminate\Foundation\Http\Kernel->Illuminate\Foundation\Http\{closure}(Object(Illuminate\Http\Request))
#29 /home/site/wwwroot/vendor/barryvdh/laravel-debugbar/src/Middleware/InjectDebugbar.php(66): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#30 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Barryvdh\Debugbar\Middleware\InjectDebugbar->handle(Object(Illuminate\Http\Request), Object(Closure))
#31 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#32 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ConvertEmptyStringsToNull.php(31): Illuminate\Foundation\Http\Middleware\TransformsRequest->handle(Object(Illuminate\Http\Request), Object(Closure))
#33 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull->handle(Object(Illuminate\Http\Request), Object(Closure))
#34 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#35 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TrimStrings.php(40): Illuminate\Foundation\Http\Middleware\TransformsRequest->handle(Object(Illuminate\Http\Request), Object(Closure))
#36 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Foundation\Http\Middleware\TrimStrings->handle(Object(Illuminate\Http\Request), Object(Closure))
#37 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ValidatePostSize.php(27): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#38 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Foundation\Http\Middleware\ValidatePostSize->handle(Object(Illuminate\Http\Request), Object(Closure))
#39 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/PreventRequestsDuringMaintenance.php(99): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#40 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Foundation\Http\Middleware\PreventRequestsDuringMaintenance->handle(Object(Illuminate\Http\Request), Object(Closure))
#41 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Http/Middleware/HandleCors.php(49): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#42 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Http\Middleware\HandleCors->handle(Object(Illuminate\Http\Request), Object(Closure))
#43 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Http/Middleware/TrustProxies.php(39): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#44 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(183): Illuminate\Http\Middleware\TrustProxies->handle(Object(Illuminate\Http\Request), Object(Closure))
#45 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(119): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Illuminate\Http\Request))
#46 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(175): Illuminate\Pipeline\Pipeline->then(Object(Closure))
#47 /home/site/wwwroot/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(144): Illuminate\Foundation\Http\Kernel->sendRequestThroughRouter(Object(Illuminate\Http\Request))
#48 /home/site/wwwroot/public/index.php(51): Illuminate\Foundation\Http\Kernel->handle(Object(Illuminate\Http\Request))
#49 {main}