Fatal error: Uncaught Error: Interface "Namshi\JOSE\Signer\SignerInterface" not found in D:\Apache24\www\huahai\back-end\vendor\namshi\jose\src\Namshi\JOSE\Signer\SecLib\PublicKey.php:8 Stack trace: #0 {main} thrown in D:\Apache24\www\huahai\back-end\vendor\namshi\jose\src\Namshi\JOSE\Signer\SecLib\PublicKey.php on line 8