Fatal error: Uncaught Error: Class "craft\base\Model" not found in /home/cooperativamaism/public_html/staging/vendor/ether/seo/src/models/Sitemap.php:7 Stack trace: #0 {main} thrown in /home/cooperativamaism/public_html/staging/vendor/ether/seo/src/models/Sitemap.php on line 7