Fatal error: Uncaught Error: Interface 'Jose\Algorithm\Signature\SignatureInterface' not found in /home/opcon/src/dat/lib/vendor/bk/spomky-labs/jose/src/Algorithm/Signature/HMAC.php:21 Stack trace: #0 {main} thrown in /home/opcon/src/dat/lib/vendor/bk/spomky-labs/jose/src/Algorithm/Signature/HMAC.php on line 21