Fatal error: Uncaught Error: Class "craft\base\Plugin" not found in /home/leasingm/public_html/public_html/vendor/craftcms/element-api/src/Plugin.php:20 Stack trace: #0 {main} thrown in /home/leasingm/public_html/public_html/vendor/craftcms/element-api/src/Plugin.php on line 20