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