Crash mail sur capitan
10/10/2015 12:09:39,004 Mail[766]: *** -[NSFileManager fileSystemRepresentationWithPath:]: conversion failed for /Users/ludoviclemoan/Library/Containers/com.apple.mail/Data/Library/Mail Downloads/Story Board Goojet - Bouygues Télécom v1.0.ppt
Unable to use Mail app now !
Each time I launch Mail it crashes
MacBook Air, OS X El Capitan (10.11)