A PostScript error offending command curveto points to a problem with fills and lines. Such problems are often caused by complex curve paths in vector graphics (such as EPS or PDF files).
- Try simplifying the document.
- Some drawing programs like FreeHand 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.