Fatal error: Uncaught Error: Class 'craft\base\Model' not found in /home/luxurytr/public_html/lt8/vendor/craftcms/cms/src/models/Structure.php:20 Stack trace: #0 {main} thrown in /home/luxurytr/public_html/lt8/vendor/craftcms/cms/src/models/Structure.php on line 20