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