/**
* Create a group of entities that belong to a specific user.
*/
- protected function createEntityChainBelongingToUser(User $creatorUser, ?User $updaterUser): array
+ protected function createEntityChainBelongingToUser(User $creatorUser, ?User $updaterUser = null): array
{
if (empty($updaterUser)) {
$updaterUser = $creatorUser;