Fatal error: Uncaught Error: Class "Respect\Validation\Rules\AbstractEnvelope" not found in D:\Apache24\www\xygsapi\vendor\workerman\validation\library\Rules\HexRgbColor.php:22 Stack trace: #0 {main} thrown in D:\Apache24\www\xygsapi\vendor\workerman\validation\library\Rules\HexRgbColor.php on line 22