Fatal error: Uncaught Error: Class "Flarum\Foundation\AbstractServiceProvider" not found in /opt/lampp/htdocs/forum/flarum/vendor/fof/sitemap/src/Providers/DeployProvider.php:23
Stack trace:
#0 {main}
thrown in /opt/lampp/htdocs/forum/flarum/vendor/fof/sitemap/src/Providers/DeployProvider.php on line 23