Hi
After saving my project and opening the project next week I have the surprise that the project opens but all my obj are empty :twisted:

Why is this???
Most be done more than just safe your project??>

by empty do you mean that they show an error - red nodes?
and if so - what is the error?

Maybe I'm just an idiot, but whenever this appears to happen to me, it was because I had the network view larger before and now have it smaller. When I dive into the objects, I see nothing and panic, but it's just because all of the nodes are far outside of the new visible region, so I have to hit Space+H to move the view.

If that isn't it, there may be a backup directory created by Houdini as well, with backup HIP files in it, so try looking around for that.

Hopefully you haven't lost any work!

Thanks, Yes all my nodes are red and empty.!

About the network view, that this is to lager, well this sounds like a bug.
Well it wasn’t a big project but.

But this is really something that isn’t ' supposed to happen.
I expect when I save a project< like all other programs I use, next time I open the project will be there.

are you using $HIP in your paths or other variables?

if a node has a warning (yellow crosshatch) or error (red)
you can MMB on it and read the popup to determine what the warning or error is…
in the case of your empty SOPs it's VERY likely to be that the paths to the geometry is no longer valid - happens when you have $JOB etc
what you can do is MMB on the parameter name and this will expand the path - check to be sure these are still valid (and valid for the frame range)

Thanks for your support.
I have placed it was indeed a broken path. I have restored it and now it is working again.

Thanks