Fatal error: Uncaught Error: Interface "Lcobucci\JWT\UnencryptedToken" not found in I:\www\oauth2\auth_server\vendor\lcobucci\jwt\src\Token\Plain.php:11 Stack trace: #0 {main} thrown in I:\www\oauth2\auth_server\vendor\lcobucci\jwt\src\Token\Plain.php on line 11