I had the same problem, and the solution was pretty simple.
I checked my .emacs file (the init file with all my customization), and found that I had entered
So I commented out the first one by
and the error went away.
graphicx.el has this entry for includegraphics:
'("includegraphics" (TeX-arg-conditional (member "graphics" (TeX-style-list))
([ LaTeX-arg-graphicx-includegraphics-key-val ]))
I suspect you're also loading the ...
Your problem is that bookmark-jump doesn't load the bookmark file, and until that happens your bookmark is unknown.
If you check the interactive declaration for that function, you'll see that it uses bookmark-completing-read which in turn calls bookmark-maybe-load-default-file which is what you also need to do if you're not going to use the same method of ...