Fatal error: Uncaught Error: Class "yii\validators\UniqueValidator" not found in /home/leasingm/public_html/public_html/vendor/craftcms/cms/src/validators/UniqueValidator.php:22 Stack trace: #0 {main} thrown in /home/leasingm/public_html/public_html/vendor/craftcms/cms/src/validators/UniqueValidator.php on line 22