turned on my computer this morning and opened Autocad Plant 3D (2012), when i opened my model and went to switch my workspace to 3D Piping it was no longer there? shut down my computer and restarted same result.
needless to say this is a major problem for me. anybody run into this before?
![Autodesk Design & Make Report](https://forums.autodesk.com/t5/image/serverpage/image-id/1350519iCB55845EBFC43016/image-size/large?v=v2&px=999" "Autodesk Design & Make Report")
