Fatal error: Uncaught Error: Class "craft\db\Migration" not found in /home/rosengar/www-craft/sauv_20250506craft-rosengart/vendor/craftcms/cms/src/migrations/m250315_131608_unlimited_authors.php:13 Stack trace: #0 {main} thrown in /home/rosengar/www-craft/sauv_20250506craft-rosengart/vendor/craftcms/cms/src/migrations/m250315_131608_unlimited_authors.php on line 13