Human Interfaces dont save

Hello everyone,
I create human interfaces, add them to a human interaction and link that to the maninkin via the human scenario.

Then I save and close the 3DX at the end of the day.

When I open the files the next day, the human interfaces are not saved. The human interaction is still there, but without the interfaces.

Is this a bug?


I have to reposition my human interfaces every time after opening.

Best regards,
Colin Grüger