Fatal error: Uncaught Error: Class "yii\validators\RegularExpressionValidator" not found in /var/www/html/prod/vendor/thamtech/yii2-uuid/src/validators/UuidValidator.php:22 Stack trace: #0 {main} thrown in /var/www/html/prod/vendor/thamtech/yii2-uuid/src/validators/UuidValidator.php on line 22