Fatal error: Uncaught Error: Interface 'Drupal\Core\Authentication\AuthenticationProviderInterface' not found in /var/www/html/tmp/contrib/simple_oauth/src/Authentication/Provider/SimpleOauthAuthenticationProvider.php:17 Stack trace: #0 {main} thrown in /var/www/html/tmp/contrib/simple_oauth/src/Authentication/Provider/SimpleOauthAuthenticationProvider.php on line 17