ErrorException: Trying to access array offset on value of type null in file /data/www/HPIndex12v2/app/Http/Controllers/PathShowController.php on line 28 #0 /data/www/HPIndex12v2/app/Http/Controllers/PathShowController.php(28): Illuminate\Foundation\Bootstrap\HandleExceptions->handleError() #1 /data/www/HPIndex12v2/app/Http/Controllers/PathShowController.php(73): App\Http\Controllers\PathShowController::calc_article_data() #2 /data/www/HPIndex12v2/app/Http/Controllers/PathShowController.php(100): App\Http\Controllers\PathShowController::calc_view_data() #3 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Collections/helpers.php(184): App\Http\Controllers\PathShowController->App\Http\Controllers\{closure}() #4 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Cache/Repository.php(105): value() #5 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Cache/CacheManager.php(418): Illuminate\Cache\Repository->get() #6 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Support/Facades/Facade.php(261): Illuminate\Cache\CacheManager->__call() #7 /data/www/HPIndex12v2/app/Http/Controllers/PathShowController.php(103): Illuminate\Support\Facades\Facade::__callStatic() #8 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Routing/Controller.php(54): App\Http\Controllers\PathShowController->index() #9 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php(45): Illuminate\Routing\Controller->callAction() #10 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Routing/Route.php(262): Illuminate\Routing\ControllerDispatcher->dispatch() #11 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Routing/Route.php(205): Illuminate\Routing\Route->runController() #12 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Routing/Router.php(721): Illuminate\Routing\Route->run() #13 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(128): Illuminate\Routing\Router->Illuminate\Routing\{closure}() #14 /data/www/HPIndex12v2/app/Http/Middleware/RegisterMiddleware.php(76): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #15 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(167): App\Http\Middleware\RegisterMiddleware->handle() #16 /data/www/HPIndex12v2/app/Http/Middleware/LoggingMiddleware.php(42): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #17 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(167): App\Http\Middleware\LoggingMiddleware->handle() #18 /data/www/HPIndex12v2/app/Http/Middleware/BlackListMiddleware.php(36): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #19 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(167): App\Http\Middleware\BlackListMiddleware->handle() #20 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(103): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #21 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Routing/Router.php(723): Illuminate\Pipeline\Pipeline->then() #22 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Routing/Router.php(698): Illuminate\Routing\Router->runRouteWithinStack() #23 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Routing/Router.php(662): Illuminate\Routing\Router->runRoute() #24 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Routing/Router.php(651): Illuminate\Routing\Router->dispatchToRoute() #25 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(167): Illuminate\Routing\Router->dispatch() #26 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(128): Illuminate\Foundation\Http\Kernel->Illuminate\Foundation\Http\{closure}() #27 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #28 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ConvertEmptyStringsToNull.php(31): Illuminate\Foundation\Http\Middleware\TransformsRequest->handle() #29 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(167): Illuminate\Foundation\Http\Middleware\ConvertEmptyStringsToNull->handle() #30 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php(21): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #31 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TrimStrings.php(40): Illuminate\Foundation\Http\Middleware\TransformsRequest->handle() #32 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(167): Illuminate\Foundation\Http\Middleware\TrimStrings->handle() #33 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ValidatePostSize.php(27): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #34 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(167): Illuminate\Foundation\Http\Middleware\ValidatePostSize->handle() #35 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/PreventRequestsDuringMaintenance.php(86): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #36 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(167): Illuminate\Foundation\Http\Middleware\PreventRequestsDuringMaintenance->handle() #37 /data/www/HPIndex12v2/vendor/fruitcake/laravel-cors/src/HandleCors.php(38): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #38 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(167): Fruitcake\Cors\HandleCors->handle() #39 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Http/Middleware/TrustProxies.php(39): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #40 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(167): Illuminate\Http\Middleware\TrustProxies->handle() #41 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php(103): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}() #42 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(142): Illuminate\Pipeline\Pipeline->then() #43 /data/www/HPIndex12v2/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(111): Illuminate\Foundation\Http\Kernel->sendRequestThroughRouter() #44 /data/www/HPIndex12v2/public/index.php(52): Illuminate\Foundation\Http\Kernel->handle() #45 {main}