linux – Cubic virtual enviropment doesn’t work

Help me please, i am trying to make a custom Ubuntu distribution, But when i access virtual environment, it does not working, instead of it i see over hundred messages:

You have entered the virtual environment.
Child died too early.

You have exited the virtual environment.

Then it just exits from virtual environment, and i can’t do anything. Help me please
Here is the screenshots.
At the first try:

First try, Cubic log (I opened cubic with terminal at the first time)

At the second try:

I opened Cubic with the apps launcher

I am using Kali Linux.