Fatal error: Uncaught Error: Interface "Lcobucci\JWT\Signer" not found in C:\xampp\htdocs\vendor\lcobucci\jwt\src\Signer\OpenSSL.php:28 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\lcobucci\jwt\src\Signer\OpenSSL.php on line 28