Fatal error: Uncaught Error: Class "Lcobucci\JWT\Signer\Rsa" not found in D:\programs\xampp\htdocs\backend-test\vendor\lcobucci\jwt\src\Signer\Rsa\Sha512.php:10 Stack trace: #0 {main} thrown in D:\programs\xampp\htdocs\backend-test\vendor\lcobucci\jwt\src\Signer\Rsa\Sha512.php on line 10