Hello SoraJr Can you show us your “tree and leaf” material for we can check if something missing or wrong? I dont think its because of post effects. Thank you.

A quick guess would be that your trees lightmaps aren’t working properly. First thing to double check is that your trees have a lightmap. Open the Tree asset in the static mesh editor and click the UV’s button in the top toolbar, then click the “UV Channel” pull down to the right of it. Ensure th…