Fatal error: Uncaught Error: Class "Flarum\Database\Migration" not found in /usr/home/seoulsource/domains/kgaeul.web.id/public_html/vendor/flarum/mentions/migrations/2021_04_19_000000_set_default_settings.php:12
Stack trace:
#0 {main}
  thrown in /usr/home/seoulsource/domains/kgaeul.web.id/public_html/vendor/flarum/mentions/migrations/2021_04_19_000000_set_default_settings.php on line 12