Fatal error: Uncaught Error: Class 'Drupal\Core\Config\Entity\ConfigEntityBase' not found in /var/www/html/tmp/contrib/simple_oauth/src/Entity/Oauth2TokenType.php:31 Stack trace: #0 {main} thrown in /var/www/html/tmp/contrib/simple_oauth/src/Entity/Oauth2TokenType.php on line 31