Trying to access array offset on value of type bool (500 Internal Server Error)

ErrorException:
Trying to access array offset on value of type bool

  at /www/www.todaynews24.top/app/Http/Controllers/ArticleController.php:248
  at IlluminateFoundationBootstrapHandleExceptions->handleError()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Foundation/Bootstrap/HandleExceptions.php:254)
  at IlluminateFoundationBootstrapHandleExceptions->IlluminateFoundationBootstrap{closure}()
     (/www/www.todaynews24.top/app/Http/Controllers/ArticleController.php:248)
  at AppHttpControllersArticleController->article()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54)
  at IlluminateRoutingController->callAction()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:43)
  at IlluminateRoutingControllerDispatcher->dispatch()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Routing/Route.php:259)
  at IlluminateRoutingRoute->runController()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Routing/Route.php:205)
  at IlluminateRoutingRoute->run()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Routing/Router.php:799)
  at IlluminateRoutingRouter->IlluminateRouting{closure}()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:141)
  at IlluminatePipelinePipeline->IlluminatePipeline{closure}()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Routing/Middleware/SubstituteBindings.php:50)
  at IlluminateRoutingMiddlewareSubstituteBindings->handle()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:180)
  at IlluminatePipelinePipeline->IlluminatePipeline{closure}()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/VerifyCsrfToken.php:78)
  at IlluminateFoundationHttpMiddlewareVerifyCsrfToken->handle()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:180)
  at IlluminatePipelinePipeline->IlluminatePipeline{closure}()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/View/Middleware/ShareErrorsFromSession.php:49)
  at IlluminateViewMiddlewareShareErrorsFromSession->handle()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:180)
  at IlluminatePipelinePipeline->IlluminatePipeline{closure}()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php:121)
  at IlluminateSessionMiddlewareStartSession->handleStatefulRequest()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php:64)
  at IlluminateSessionMiddlewareStartSession->handle()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:180)
  at IlluminatePipelinePipeline->IlluminatePipeline{closure}()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/AddQueuedCookiesToResponse.php:37)
  at IlluminateCookieMiddlewareAddQueuedCookiesToResponse->handle()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:180)
  at IlluminatePipelinePipeline->IlluminatePipeline{closure}()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Cookie/Middleware/EncryptCookies.php:67)
  at IlluminateCookieMiddlewareEncryptCookies->handle()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:180)
  at IlluminatePipelinePipeline->IlluminatePipeline{closure}()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:116)
  at IlluminatePipelinePipeline->then()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Routing/Router.php:798)
  at IlluminateRoutingRouter->runRouteWithinStack()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Routing/Router.php:777)
  at IlluminateRoutingRouter->runRoute()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Routing/Router.php:741)
  at IlluminateRoutingRouter->dispatchToRoute()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Routing/Router.php:730)
  at IlluminateRoutingRouter->dispatch()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php:200)
  at IlluminateFoundationHttpKernel->IlluminateFoundationHttp{closure}()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:141)
  at IlluminatePipelinePipeline->IlluminatePipeline{closure}()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Http/Middleware/TrustProxies.php:39)
  at IlluminateHttpMiddlewareTrustProxies->handle()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:180)
  at IlluminatePipelinePipeline->IlluminatePipeline{closure}()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php:21)
  at IlluminateFoundationHttpMiddlewareTransformsRequest->handle()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ConvertEmptyStringsToNull.php:31)
  at IlluminateFoundationHttpMiddlewareConvertEmptyStringsToNull->handle()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:180)
  at IlluminatePipelinePipeline->IlluminatePipeline{closure}()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TransformsRequest.php:21)
  at IlluminateFoundationHttpMiddlewareTransformsRequest->handle()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/TrimStrings.php:40)
  at IlluminateFoundationHttpMiddlewareTrimStrings->handle()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:180)
  at IlluminatePipelinePipeline->IlluminatePipeline{closure}()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/ValidatePostSize.php:27)
  at IlluminateFoundationHttpMiddlewareValidatePostSize->handle()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:180)
  at IlluminatePipelinePipeline->IlluminatePipeline{closure}()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Foundation/Http/Middleware/PreventRequestsDuringMaintenance.php:86)
  at IlluminateFoundationHttpMiddlewarePreventRequestsDuringMaintenance->handle()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:180)
  at IlluminatePipelinePipeline->IlluminatePipeline{closure}()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Pipeline/Pipeline.php:116)
  at IlluminatePipelinePipeline->then()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php:175)
  at IlluminateFoundationHttpKernel->sendRequestThroughRouter()
     (/www/www.todaynews24.top/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php:144)
  at IlluminateFoundationHttpKernel->handle()
     (/www/www.todaynews24.top/public/index.php:54)