Fatal error: Uncaught Error: Class "Lcobucci\JWT\Signer\Hmac" not found in D:\Application\www\E-Tracking\vendor\lcobucci\jwt\src\Signer\Hmac\Sha512.php:18 Stack trace: #0 {main} thrown in D:\Application\www\E-Tracking\vendor\lcobucci\jwt\src\Signer\Hmac\Sha512.php on line 18