Bug? After Save the Project Code is done

Hey, i have a really big Problem.

Yesterday i have Update B4A of the newest Version. I have code now for few houres, i save the Project every 10 Minutes. I had close the Project, before i had save the code. So now i will further programming and i open my Project and see that:


but i had open this:



is that a Bug or a Feature?

Not sure that I understand. No project is loaded.

The Problem was my SSD, i save the Project and in this moment, where the main module was saving, the ssd was shutdowning. And the main module was delete.