emacs - LaTeX: problems after [0] pages.

[vernin]

I use a MakBookPro, with MacOS Sierra 10.12.2
I use emacs for tex file that I compile by C-c C-c

I changed my system and now, when I do: C-c C-c truc.tex, the system answers:
LaTeX: problems after [0] pages.
There is no truc.log created

If I do: pdflatex truc.tex in the Terminal, all is correct.

I tried:
MacBook-Pro-de-Jacques:Naples jacquesvernin$ which pdflatex
/Library/TeX/texbin/pdflatex

and, in my .emacs, I put:
(setenv "PATH"
   (concat  
    "/Library/TeX/texbin"  ;%%%% ajoutÈ le 19/12
    "/usr/texbin"
    ":"
    (getenv "PATH")
    )
)

No change!

I do not know what to do.

Thank you.