Could not verify validate user data if i add a new user

I installed Passbolt Pro today on a fresh Ubuntu 20.04 LTS as descripted in this tutorial: Passbolt Help | Install Passbolt Pro on Ubuntu 20.04

All stepts went find. I could create the first user.

But now i try to add a new user and get the following message: Could not validate user data.

What can i do?

There was an authorization problem. After i logged out and in again, it’s working. So you can close my ticket.