Fatal error: Uncaught Error: Class 'craft\base\Model' not found in /home/mpolsk5/public_html/seocomo/craft/vendor/craftcms/cms/src/models/Site.php:29 Stack trace: #0 {main} thrown in /home/mpolsk5/public_html/seocomo/craft/vendor/craftcms/cms/src/models/Site.php on line 29