Light Leakage Problem UE5

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Screenshot_6.bmp (8.3 MB) Screenshot_9.bmp (8.4 MB)

When I go to areas with light leaks with the camera, the problem disappears, but when I move away from there, it continues. What is the problem?

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Can you share with us following visualizations;

Lumen Scene
Mesh Distance Field
Global Distance field
Nanite overview

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Screenshot_12
Screenshot_121500×751 423 KB

This problem occurs when I increase the source angle property of Light Source.
And I don’t know where to look for the features you want. I did not open the nanite feature in my models.