error trying to save a project

Im getting this error when I open the project and when I try to save as new version or normal save I got windows crash and that strange error…

I dont understand what is that! I dont have any channel there with that sample… this have no sense to me, please help this is delaying my work.

in fact is an old project made with cubase 5 but now opened with cubase 8

what is this.jpg