Fatal error: Declaration of Plugin\smartwizard\SmartGroup::saveGroup(array $params, bool $primary = false) must be compatible with JTL\Extensions\SelectionWizard\Group::saveGroup(array $params, bool $primary = false): array|int|bool in /www/htdocs/w01db191/partsell.de/shop/plugins/smartwizard/SmartGroup.php on line 15