Lighting Issue

I have imported two static meshes and put them side by side. However, when I build the lighting, they have extremely different lighting. I have ensured that their lightmaps are the same resolution and that there are no errors pertaining to those meshes. I have a picture attached. Thanks in advance for any help.

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Duplicate Post: https://answers.unrealengine.com/questions/237677/lighting-issue-1.html