Error thrown with message "Call to a member function getAttribute() on null"
Stacktrace:
#37 Error in /path/vendor/v17development/flarum-seo/src/Managers/Discussion.php:98
#36 V17Development\FlarumSeo\Managers\Discussion:createTags in /path/vendor/v17development/flarum-seo/src/Managers/Discussion.php:42
#35 V17Development\FlarumSeo\Managers\Discussion:__construct in /path/vendor/v17development/flarum-seo/src/Listeners/PageListener.php:144
#34 V17Development\FlarumSeo\Listeners\PageListener:determine in /path/vendor/v17development/flarum-seo/src/Listeners/PageListener.php:112
#33 V17Development\FlarumSeo\Listeners\PageListener:__invoke in /path/vendor/flarum/core/src/Frontend/Frontend.php:65
#32 Flarum\Frontend\Frontend:populate in /path/vendor/flarum/core/src/Frontend/Frontend.php:57
#31 Flarum\Frontend\Frontend:document in /path/vendor/flarum/core/src/Frontend/Controller.php:34
#30 Flarum\Frontend\Controller:handle in /path/vendor/flarum/core/src/Http/RouteHandlerFactory.php:40
#29 Flarum\Http\RouteHandlerFactory:Flarum\Http\{closure} in /path/vendor/flarum/core/src/Http/Middleware/DispatchRoute.php:67
#28 Flarum\Http\Middleware\DispatchRoute:process in /path/vendor/zendframework/zend-stratigility/src/Next.php:52
#27 Zend\Stratigility\Next:handle in /path/vendor/flarum/core/src/Http/Middleware/ShareErrorsFromSession.php:58
#26 Flarum\Http\Middleware\ShareErrorsFromSession:process in /path/vendor/zendframework/zend-stratigility/src/Next.php:52
#25 Zend\Stratigility\Next:handle in /path/vendor/flarum/core/src/Http/Middleware/SetLocale.php:51
#24 Flarum\Http\Middleware\SetLocale:process in /path/vendor/zendframework/zend-stratigility/src/Next.php:52
#23 Zend\Stratigility\Next:handle in /path/vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php:34
#22 Flarum\Http\Middleware\AuthenticateWithSession:process in /path/vendor/zendframework/zend-stratigility/src/Next.php:52
#21 Zend\Stratigility\Next:handle in /path/vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php:52
#20 Flarum\Http\Middleware\RememberFromCookie:process in /path/vendor/zendframework/zend-stratigility/src/Next.php:52
#19 Zend\Stratigility\Next:handle in /path/vendor/flarum/core/src/Http/Middleware/StartSession.php:62
#18 Flarum\Http\Middleware\StartSession:process in /path/vendor/zendframework/zend-stratigility/src/Next.php:52
#17 Zend\Stratigility\Next:handle in /path/vendor/flarum/core/src/Http/Middleware/CollectGarbage.php:48
#16 Flarum\Http\Middleware\CollectGarbage:process in /path/vendor/zendframework/zend-stratigility/src/Next.php:52
#15 Zend\Stratigility\Next:handle in /path/vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php:29
#14 Flarum\Http\Middleware\ParseJsonBody:process in /path/vendor/zendframework/zend-stratigility/src/Next.php:52
#13 Zend\Stratigility\Next:handle in /path/vendor/flarum/core/src/Http/Middleware/HandleErrorsWithWhoops.php:43
#12 Flarum\Http\Middleware\HandleErrorsWithWhoops:process in /path/vendor/zendframework/zend-stratigility/src/Next.php:52
#11 Zend\Stratigility\Next:handle in /path/vendor/zendframework/zend-stratigility/src/MiddlewarePipe.php:83
#10 Zend\Stratigility\MiddlewarePipe:process in /path/vendor/middlewares/request-handler/src/RequestHandler.php:84
#9 Middlewares\RequestHandler:process in /path/vendor/zendframework/zend-stratigility/src/Next.php:52
#8 Zend\Stratigility\Next:handle in /path/vendor/middlewares/base-path-router/src/BasePathRouter.php:97
#7 Middlewares\BasePathRouter:process in /path/vendor/zendframework/zend-stratigility/src/Next.php:52
#6 Zend\Stratigility\Next:handle in /path/vendor/middlewares/base-path/src/BasePath.php:53
#5 Middlewares\BasePath:process in /path/vendor/zendframework/zend-stratigility/src/Next.php:52
#4 Zend\Stratigility\Next:handle in /path/vendor/zendframework/zend-stratigility/src/MiddlewarePipe.php:83
#3 Zend\Stratigility\MiddlewarePipe:process in /path/vendor/zendframework/zend-stratigility/src/MiddlewarePipe.php:72
#2 Zend\Stratigility\MiddlewarePipe:handle in /path/vendor/zendframework/zend-httphandlerrunner/src/RequestHandlerRunner.php:95
#1 Zend\HttpHandlerRunner\RequestHandlerRunner:run in /path/vendor/flarum/core/src/Http/Server.php:46
#0 Flarum\Http\Server:listen in /path/public/index.php:22