Fatal error: Uncaught Error: Interface "Psr\Http\Server\MiddlewareInterface" not found in /usr/home/seoulsource/domains/kgaeul.web.id/public_html/vendor/flarum/core/src/Http/Middleware/InjectActorReference.php:19
Stack trace:
#0 {main}
  thrown in /usr/home/seoulsource/domains/kgaeul.web.id/public_html/vendor/flarum/core/src/Http/Middleware/InjectActorReference.php on line 19