Unreal engine 5.1 normal bug

Development Programming & Scripting
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1

I need help, the normal map breaks the light, the object does not fall properly light. On all meshes material has the same parent , but only on some materials such a bug with blackness

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2

A more illustrative example, when removing the normals from the material on the wall, the lighting works fine

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3

The engine version 5.03 does not have this bug, why does every engine update bring new incorrigible bugs