Fatal error: Uncaught Error: Class 'Lcobucci\JWT\Signer\Hmac' not found in D:\php\WWW\ccf\vendor\lcobucci\jwt\src\Signer\Hmac\Sha512.php:8 Stack trace: #0 {main} thrown in D:\php\WWW\ccf\vendor\lcobucci\jwt\src\Signer\Hmac\Sha512.php on line 8