Fatal error: Uncaught Error: Interface "Lcobucci\JWT\Token" not found in I:\www\oauth2\auth_server\vendor\lcobucci\jwt\src\UnencryptedToken.php:9 Stack trace: #0 {main} thrown in I:\www\oauth2\auth_server\vendor\lcobucci\jwt\src\UnencryptedToken.php on line 9