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(1/1) FatalThrowableError

Call to undefined method File::append()

in web.php (line 28)
at Router->{closure}()in Dispatcher.php (line 348)
at Dispatcher->Illuminate\Events\{closure}()in Dispatcher.php (line 199)
at Dispatcher->dispatch()in Connection.php (line 808)
at Connection->event()in Connection.php (line 665)
at Connection->logQuery()in Connection.php (line 618)
at Connection->run()in Connection.php (line 326)
at Connection->select()in DatabaseManager.php (line 324)
at DatabaseManager->__call()in Facade.php (line 221)
at Facade::__callStatic()in Functions.php (line 59)
at simplePage()in PageController.php (line 12)
at PageController->index()
at call_user_func_array()in Controller.php (line 55)
at Controller->callAction()in ControllerDispatcher.php (line 44)
at ControllerDispatcher->dispatch()in Route.php (line 203)
at Route->runController()in Route.php (line 160)
at Route->run()in Router.php (line 574)
at Router->Illuminate\Routing\{closure}()in Pipeline.php (line 30)
at Pipeline->Illuminate\Routing\{closure}()in SubstituteBindings.php (line 41)
at SubstituteBindings->handle()in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}()in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}()in VerifyCsrfToken.php (line 65)
at VerifyCsrfToken->handle()in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}()in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}()in ShareErrorsFromSession.php (line 49)
at ShareErrorsFromSession->handle()in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}()in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}()in StartSession.php (line 64)
at StartSession->handle()in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}()in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}()in AddQueuedCookiesToResponse.php (line 37)
at AddQueuedCookiesToResponse->handle()in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}()in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}()in EncryptCookies.php (line 59)
at EncryptCookies->handle()in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}()in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}()in Pipeline.php (line 102)
at Pipeline->then()in Router.php (line 576)
at Router->runRouteWithinStack()in Router.php (line 535)
at Router->dispatchToRoute()in Router.php (line 513)
at Router->dispatch()in Kernel.php (line 176)
at Kernel->Illuminate\Foundation\Http\{closure}()in Pipeline.php (line 30)
at Pipeline->Illuminate\Routing\{closure}()in TransformsRequest.php (line 30)
at TransformsRequest->handle()in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}()in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}()in TransformsRequest.php (line 30)
at TransformsRequest->handle()in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}()in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}()in ValidatePostSize.php (line 27)
at ValidatePostSize->handle()in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}()in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}()in CheckForMaintenanceMode.php (line 46)
at CheckForMaintenanceMode->handle()in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}()in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}()in Language.php (line 39)
at Language->handle()in Pipeline.php (line 148)
at Pipeline->Illuminate\Pipeline\{closure}()in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}()in Pipeline.php (line 102)
at Pipeline->then()in Kernel.php (line 151)
at Kernel->sendRequestThroughRouter()in Kernel.php (line 116)
at Kernel->handle()in index.php (line 53)