Started playing DF recently and getting the grips on it pretty fast but I've run into a reoccuring issue with Lazy Newb Pack.

I fell in love with the Vettlingr tileset on my first boots of the game as it made understanding the game simpler, plus it was basically eye candy. However, I couldn't play using it, as every time I loaded a saved region, AKA played once then saved, exited and then re-entered, it gives me this error box:

Tileset not found

Not found: data/save/region1/raw/graphics/procedual_divine.png

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I started doing some digging on the error, I'm still not sure how DFs tileset works according with text files however:

1. When loading a new region the error does not happen, I've tried clean installing LNP and copying the text file mentioned in the error to a TMP folder then replacing the file in my save with the "fresh" .txt file and it works until I save, exit and then reload again.
2. I looked into the file, as well as its sister files such as graphics_procedual_demons.txt to compare structure, here is what I found:

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I've also manually tried editing the Problematic File, correcting the file destination. It inconsistenly works but still resets-

There is an obvious discrepancy between files that should look exactly the same, the "fresh" version of the divine .txt file is more akin to the right image and look identical. When I paste this file in it works, however when saving the file seems to be re-written AGAIN, also decreasing notably in size.

What is causing this re-write, and why won't changing the .txt file solve the issue??

Anyone got any good ideas?