Fatal error: Uncaught Error: Class 'Drupal\Core\Entity\ContentEntityConfirmFormBase' not found in /var/www/html/tmp/contrib/simple_oauth/src/Entity/Form/Oauth2TokenDeleteForm.php:19 Stack trace: #0 {main} thrown in /var/www/html/tmp/contrib/simple_oauth/src/Entity/Form/Oauth2TokenDeleteForm.php on line 19