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I didn't mean the black dragon texture; I meant the wyvern texture in the mod archive, specifically in the "corа 2" folder from which the wings for the black dragon were taken. The mod isn't mine. Standard DDS files and what you wrote are understandable – that’s standard :). Does anyone have a converter to convert DDS formats into other formats? But I still haven't found any dependency related to the wyvern texture so I can fix it. The texture itself is saved correctly, but now it's linked to dragons, and in the game, the wyvern is now without a texture.
The texture isn't tied to anything. One texture can be used on two game objects.
You can check out these manuals here; you might learn something new for yourself: Modding FAQ