High light exposure even if night is set

Dear
i’ve a strange situation. I set up island time as night and inside UEFN all is fine as espected but after activate “streaming” or something else map inside FOrtnite have hight light exposure. I try too to apply camera filter but nothing change.
Someone can tell me how to fix it or if is a bug ?
thk
Map code: 4849-2437-9412