$this->conf->remove('thumbnails');
$this->conf->set('thumbnail.enable_thumbnails', false);
$updater = new Updater([], [], $this->conf, true, $_SESSION);
$this->conf->remove('thumbnails');
$this->conf->set('thumbnail.enable_thumbnails', false);
$updater = new Updater([], [], $this->conf, true, $_SESSION);