New to building texture modding, glitching texture

[TBM]

So I was trying to do an edit to a building, and when I tested the textures, this is what they looked like in-game:

The texture change itself looks fine to me:

I also edited the LOD:

What am I missing?

[ReNNie]

@TBM the mapping of the texture on the model is obviously not as straight forward?

[TBM]

If that's the case, then why would the default texture not be scrambled? The edit is the exact same layout as the original (look at the third photo, the gif).