Fatal error: Uncaught Error: Interface "CBOR\EncoderInterface" not found in C:\xampp\htdocs\bilipoa\vendor\spomky-labs\cbor-php\src\Encoder.php:18 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bilipoa\vendor\spomky-labs\cbor-php\src\Encoder.php on line 18