lightmass problem after streaming a level

Hello, I am using " stream level " to load my level, but it seems that the lightmass ( baked gi for moveable objects ) is incorrect, all my moveable objects are in the dark ( picture 1 ) unless they move ( like my main character or objects on the ground ).
Once they moved, their lighting is correct ( picture 2 ), is there a node to update the new lightmass I load with my stream level ? Or I did something wrong ?