Fatal error: Uncaught Error: Class 'craft\db\Migration' not found in /home/mpolsk5/public_html/lakemissouri.com/vendor/dolphiq/sitemap/src/migrations/Install.php:33 Stack trace: #0 {main} thrown in /home/mpolsk5/public_html/lakemissouri.com/vendor/dolphiq/sitemap/src/migrations/Install.php on line 33