Fatal error: Uncaught Error: Interface "Amp\Serialization\Serializer" not found in C:\xampp\htdocs\ducev\vendor\amphp\serialization\src\PassthroughSerializer.php:5 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ducev\vendor\amphp\serialization\src\PassthroughSerializer.php on line 5