Loading crash 4.13.2

Hello, i was working all day long on a simple map, without using any blueprint or advanced function.
Then, the map suddently crash and doesn’t want to be reloaded. (it’s happend right after a save)

the error message send me that :
[CrashReportClient]
bHideLogFilesOption=false
bIsAllowedToCloseWithoutSending=true

is there any way to open my project? or open a preview version?
Please help me, i need it for tommorrow :cry: