Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Support\Responsable" not found in /home/gbc4/public_html/qrme/vendor/spatie/laravel-sitemap/src/SitemapIndex.php:12 Stack trace: #0 {main} thrown in /home/gbc4/public_html/qrme/vendor/spatie/laravel-sitemap/src/SitemapIndex.php on line 12