problem with "save as"

Bonjour. la boite de dialogue "enregistrer sous" ne s'ouvre plus dans logic pro 8 (sous OS 10.6) . Quelqu'un a t il une solution?

I can't save a new project on Logic pro 8. The windows "save as" doesn't appear since yesterday but i haven't do any changes in my configuration (Logic pro 8 with OS 10.6). The only thing that happened was a crash using mascine in logic 8. Thank you...