This error is typically caused by paths composed of too many points.
Try simplifying the drawings in your document. Avoid PICT or CGM files, use EPS instead.
Some drawing programs like Illustrator offer filters to automatically simplify curves. Use these if possible.
If you used the magic wand in Photoshop to mask some images: recreate the masks using the drawing tools of Photoshop. This simplifies these often very complex curves.