The simple act of saving.

I got back into gmod after about 6 years, and what is going on? While I can fix the lack of basic tools by mods, I can’t seem to fix the fact that there’s no proper saving function now. New Q menu saving format removes ents even on the most basic setups:

Not to mention complicated mechanisms that I like to build are completely worthless after saving. Console command “save” also seems to be broken, but in different ways. Is this a known temporary bug? Is there a way to fix it?