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(1/1) ErrorException

Trying to get property of non-object

in WikiController.php (line 183)
at HandleExceptions->handleError(8, 'Trying to get property of non-object', '/var/www/vidyawiki/app/Http/Controllers/WikiController.php', 183, array('request' => object(Request), 'title' => 'Sandbox Wiki', 'page' => null))in WikiController.php (line 183)
at WikiController->rename(object(Request), 'Sandbox Wiki')
at call_user_func_array(array(object(WikiController), 'rename'), array(object(Request), 'title' => 'Sandbox Wiki'))in Controller.php (line 54)
at Controller->callAction('rename', array(object(Request), 'title' => 'Sandbox Wiki'))in ControllerDispatcher.php (line 45)
at ControllerDispatcher->dispatch(object(Route), object(WikiController), 'rename')in Route.php (line 204)
at Route->runController()in Route.php (line 161)
at Route->run()in Router.php (line 610)
at Router->Illuminate\Routing\{closure}(object(Request))in Pipeline.php (line 30)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in GlobalVars.php (line 51)
at GlobalVars->handle(object(Request), object(Closure))in Pipeline.php (line 149)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in scopeTenant.php (line 37)
at scopeTenant->handle(object(Request), object(Closure))in Pipeline.php (line 149)
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 149)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in VerifyCsrfToken.php (line 67)
at VerifyCsrfToken->handle(object(Request), object(Closure))in Pipeline.php (line 149)
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 149)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in Authorize.php (line 63)
at Authorize->handle(object(Request), object(Closure))in Pipeline.php (line 149)
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 149)
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 149)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in EncryptCookies.php (line 59)
at EncryptCookies->handle(object(Request), object(Closure))in Pipeline.php (line 149)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in Pipeline.php (line 102)
at Pipeline->then(object(Closure))in Router.php (line 612)
at Router->runRouteWithinStack(object(Route), object(Request))in Router.php (line 571)
at Router->dispatchToRoute(object(Request))in Router.php (line 549)
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 30)
at TransformsRequest->handle(object(Request), object(Closure))in Pipeline.php (line 149)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in TransformsRequest.php (line 30)
at TransformsRequest->handle(object(Request), object(Closure))in Pipeline.php (line 149)
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 149)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in CheckForMaintenanceMode.php (line 46)
at CheckForMaintenanceMode->handle(object(Request), object(Closure))in Pipeline.php (line 149)
at Pipeline->Illuminate\Pipeline\{closure}(object(Request))in Pipeline.php (line 53)
at Pipeline->Illuminate\Routing\{closure}(object(Request))in Pipeline.php (line 102)
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 53)