Weird error message

[Frédéric Chiasson]

Hi!

I removed some %{ and %} and tried to compile the whole piece I made, but I received this weird message as an error :

/Applications/LilyPond.app/Contents/Resources/bin/../share/lilypond/current/ly/init.ly:37:1: ERREUR : GUILE a signal'e une erreur pour l'_expression_ d'ebutant ici
#
 (if (or (pair? toplevel-scores) output-empty-score-list)
/Applications/LilyPond.app/Contents/Resources/bin/../share/lilypond/current/ly/init.ly:37:5: ERREUR : syntax error, unexpected '(', expecting '='
#(if 
     (or (pair? toplevel-scores) output-empty-score-list)
erreur de programmation : Parsed object should be dead: static scm_unused_struct* Prob::mark_smob(scm_unused_struct*)
poursuite ; croisons les doigts
erreur de programmation : Parsed object should be dead: static scm_unused_struct* Context_def::mark_smob(scm_unused_struct*)
poursuite ; croisons les doigts
ERREUR : erreur sur les fichiers : "/Users/Frederic/Desktop/Ebats_atomiques.ly"
Wrong type argument in position 1: ()
_________________

What is that supposed to mean?

Regards,

Frederic