TMcP

The problem seems to be related to layer properties. When it is set to show/snap/modify other layers......it doesn't work properly. When set to just show/snap others....it works fine. Now...let's be clear....some of these plots are 5 years old....and have some legacy....LD assist stuff in them. So there are some other things going on. Lots of classes....and lots of layers. I have found ways to work around the problem I'm having...but it is a little cumbersome. I'm contemplating cleaning all the plots up and updating them new in 10.

Thanks for the direction.......it does seem to be the key block indeed. I don't have it set up as a group.....but I do have them all "locked", as just symbols. I'm not sure why having these instances of the symbols locked would make a difference....but it does. Unlocking these symbols then allows me to work with the Define/Convert to instrument.

I have been looking through my old lighting plots with the New spotlight 10.1.2. I seem to be having a problem. If i pick a symbol and place it in the drawing using the symbol placement tool, and then decide that it needs to be a lighting device......I find that I am unable to change it to a lighting device. Using the add instrument tool works fine.....but not the spotlight/define/convert / lighting instrument. If i start from scratch, with a new file, I can do this procedure the way I always have. Only files from a previous version of Vectorworks seem to be affected. It isn't just 1 file, it seems to be all of my old lighting plots.....some of which I need to modify and update. Anyone else having a similar problem?