After updating Flarum to .13 and Webhook extension to 0.2.2 I receive this error in the logs everytime I enable it.
[2020-05-21 19:23:26] production.ERROR: Symfony\Component\Debug\Exception\FatalThrowableError: Call to a member function isVisibleTo() on null in /var/www/html/vendor/reflar/webhooks/src/Actions/Discussion/Action.php:22
Stack trace:
#0 /var/www/html/vendor/reflar/webhooks/src/Jobs/HandleEvent.php(72): ReFlar\Webhooks\Actions\Discussion\Action->ignore(Object(Flarum\Discussion\Event\Deleted), true)
#1 /var/www/html/vendor/reflar/webhooks/src/Jobs/HandleEvent.php(50): Reflar\Webhooks\Jobs\HandleEvent->send('Flarum\\Discussi...', Object(Reflar\Webhooks\Actions\Discussion\Deleted), Object(Reflar\Webhooks\Response))
#2 [internal function]: Reflar\Webhooks\Jobs\HandleEvent->handle()
#3 /var/www/html/vendor/illuminate/container/BoundMethod.php(29): call_user_func_array(Array, Array)
#4 /var/www/html/vendor/illuminate/container/BoundMethod.php(87): Illuminate\Container\BoundMethod::Illuminate\Container\{closure}()
#5 /var/www/html/vendor/illuminate/container/BoundMethod.php(31): Illuminate\Container\BoundMethod::callBoundMethod(Object(Flarum\Foundation\Application), Array, Object(Closure))
#6 /var/www/html/vendor/illuminate/container/Container.php(572): Illuminate\Container\BoundMethod::call(Object(Flarum\Foundation\Application), Array, Array, NULL)
#7 /var/www/html/vendor/illuminate/bus/Dispatcher.php(94): Illuminate\Container\Container->call(Array)
#8 /var/www/html/vendor/illuminate/pipeline/Pipeline.php(128): Illuminate\Bus\Dispatcher->Illuminate\Bus\{closure}(Object(Reflar\Webhooks\Jobs\HandleEvent))
#9 /var/www/html/vendor/illuminate/pipeline/Pipeline.php(104): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Reflar\Webhooks\Jobs\HandleEvent))
#10 /var/www/html/vendor/illuminate/bus/Dispatcher.php(98): Illuminate\Pipeline\Pipeline->then(Object(Closure))
#11 /var/www/html/vendor/illuminate/queue/CallQueuedHandler.php(49): Illuminate\Bus\Dispatcher->dispatchNow(Object(Reflar\Webhooks\Jobs\HandleEvent), false)
#12 /var/www/html/vendor/illuminate/queue/Jobs/Job.php(83): Illuminate\Queue\CallQueuedHandler->call(Object(Illuminate\Queue\Jobs\SyncJob), Array)
#13 /var/www/html/vendor/illuminate/queue/SyncQueue.php(42): Illuminate\Queue\Jobs\Job->fire()
#14 /var/www/html/vendor/reflar/webhooks/src/Listener/TriggerListener.php(85): Illuminate\Queue\SyncQueue->push(Object(Reflar\Webhooks\Jobs\HandleEvent))
#15 /var/www/html/vendor/illuminate/events/Dispatcher.php(357): Reflar\Webhooks\Listener\TriggerListener->run('Flarum\\Discussi...', Array)
#16 /var/www/html/vendor/illuminate/events/Dispatcher.php(209): Illuminate\Events\Dispatcher->Illuminate\Events\{closure}('Flarum\\Discussi...', Array)
#17 /var/www/html/vendor/flarum/core/src/Foundation/DispatchEventsTrait.php(33): Illuminate\Events\Dispatcher->dispatch('Flarum\\Discussi...')
#18 /var/www/html/vendor/flarum/core/src/Discussion/Command/DeleteDiscussionHandler.php(58): Flarum\Discussion\Command\DeleteDiscussionHandler->dispatchEventsFor(Object(Flarum\Discussion\Discussion), Object(Flarum\User\User))
#19 /var/www/html/vendor/illuminate/bus/Dispatcher.php(90): Flarum\Discussion\Command\DeleteDiscussionHandler->handle(Object(Flarum\Discussion\Command\DeleteDiscussion))
#20 /var/www/html/vendor/illuminate/pipeline/Pipeline.php(128): Illuminate\Bus\Dispatcher->Illuminate\Bus\{closure}(Object(Flarum\Discussion\Command\DeleteDiscussion))
#21 /var/www/html/vendor/illuminate/pipeline/Pipeline.php(104): Illuminate\Pipeline\Pipeline->Illuminate\Pipeline\{closure}(Object(Flarum\Discussion\Command\DeleteDiscussion))
#22 /var/www/html/vendor/illuminate/bus/Dispatcher.php(98): Illuminate\Pipeline\Pipeline->then(Object(Closure))
#23 /var/www/html/vendor/illuminate/bus/Dispatcher.php(76): Illuminate\Bus\Dispatcher->dispatchNow(Object(Flarum\Discussion\Command\DeleteDiscussion))
#24 /var/www/html/vendor/flarum/core/src/Api/Controller/DeleteDiscussionController.php(42): Illuminate\Bus\Dispatcher->dispatch(Object(Flarum\Discussion\Command\DeleteDiscussion))
#25 /var/www/html/vendor/flarum/core/src/Api/Controller/AbstractDeleteController.php(24): Flarum\Api\Controller\DeleteDiscussionController->delete(Object(Laminas\Diactoros\ServerRequest))
#26 /var/www/html/vendor/flarum/core/src/Http/RouteHandlerFactory.php(38): Flarum\Api\Controller\AbstractDeleteController->handle(Object(Laminas\Diactoros\ServerRequest))
#27 /var/www/html/vendor/flarum/core/src/Http/Middleware/DispatchRoute.php(65): Flarum\Http\RouteHandlerFactory->Flarum\Http\{closure}(Object(Laminas\Diactoros\ServerRequest), Array)
#28 /var/www/html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\DispatchRoute->process(Object(Laminas\Diactoros\ServerRequest), Object(Closure))
#29 /var/www/html/vendor/flarum/core/src/Http/Middleware/SetLocale.php(50): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#30 /var/www/html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\SetLocale->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#31 /var/www/html/vendor/flarum/core/src/Http/Middleware/CheckCsrfToken.php(31): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#32 /var/www/html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\CheckCsrfToken->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#33 /var/www/html/vendor/flarum/core/src/Http/Middleware/AuthenticateWithHeader.php(55): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#34 /var/www/html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\AuthenticateWithHeader->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#35 /var/www/html/vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php(32): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#36 /var/www/html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\AuthenticateWithSession->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#37 /var/www/html/vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php(51): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#38 /var/www/html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\RememberFromCookie->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#39 /var/www/html/vendor/flarum/core/src/Http/Middleware/StartSession.php(61): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#40 /var/www/html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\StartSession->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#41 /var/www/html/vendor/flarum/core/src/Api/Middleware/FakeHttpMethods.php(29): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#42 /var/www/html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Api\Middleware\FakeHttpMethods->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#43 /var/www/html/vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php(28): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#44 /var/www/html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\ParseJsonBody->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#45 /var/www/html/vendor/flarum/core/src/Http/Middleware/HandleErrors.php(57): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#46 /var/www/html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\HandleErrors->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#47 /var/www/html/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(84): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#48 /var/www/html/vendor/middlewares/request-handler/src/RequestHandler.php(84): Laminas\Stratigility\MiddlewarePipe->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#49 /var/www/html/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\RequestHandler->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#50 /var/www/html/vendor/middlewares/base-path-router/src/BasePathRouter.php(97): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#51 /var/www/html/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\BasePathRouter->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#52 /var/www/html/vendor/laminas/laminas-stratigility/src/Middleware/OriginalMessages.php(42): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#53 /var/www/html/vendor/laminas/laminas-stratigility/src/Next.php(61): Laminas\Stratigility\Middleware\OriginalMessages->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#54 /var/www/html/vendor/middlewares/base-path/src/BasePath.php(53): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#55 /var/www/html/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\BasePath->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#56 /var/www/html/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(84): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#57 /var/www/html/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(73): Laminas\Stratigility\MiddlewarePipe->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\EmptyPipelineHandler))
#58 /var/www/html/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php(96): Laminas\Stratigility\MiddlewarePipe->handle(Object(Laminas\Diactoros\ServerRequest))
#59 /var/www/html/vendor/flarum/core/src/Http/Server.php(42): Laminas\HttpHandlerRunner\RequestHandlerRunner->run()
#60 /var/www/html/public/index.php(22): Flarum\Http\Server->listen()
#61 {main}
