Gardenbliz

I always import my plant symbols from one design into another design, but all of a sudden it doesn't seem to work.... As soon as I want to copy a plant symbol which I created previously into my current drawing I can’t select it and it doesn’t display any graphics only an outline. When I double click on it to enter the 2D Graphics, it is empty and then the image also disappears from my resource browser. The definition is still present. What am I doping wrong.

I've created a custom title block from one if the existing VAA TB's, but my object info pallet says 2D symbol instead of VAA Title Block. The TB doesn't automatically display sht# etc. and I cannot edit it... Where did I go wrong? Thanks, Liz