Fatal error: Uncaught Error: Class "Flarum\Http\Controller\AbstractHtmlController" not found in /usr/home/seoulsource/domains/kgaeul.web.id/public_html/vendor/flarum/core/src/Install/Controller/IndexController.php:17
Stack trace:
#0 {main}
  thrown in /usr/home/seoulsource/domains/kgaeul.web.id/public_html/vendor/flarum/core/src/Install/Controller/IndexController.php on line 17