Furry Team Link:https://www.furaffinity.net/view/21762564/
In terms of modifying weapon, character bodies/bags through their respective files, The game does several checks that involve calculating the checksum of said files after which they will compare it against the original one and if by any chance a modification is found then of course that'll output a message that usually involves "files is modified" and although there are a few of those on the client side, The major ones lie on the server's end, Particularly when joining lobby as that's when "an abnormal action detected" will pop up if you you managed to bypass the previous checks and that's because once joining the client itself will send a packet that has lots of informations including the checksum calculated from both items and character ".nif" files which will also be verified on the server side and this is exactly how they made it close to impossible(but not though) for anyone to use and play with modified files.
I have however reverse engineered the game and made a bypass for that particular part and it's already on the cheats I provide and can assure you that only me and the people whom I work with possess the bypass in a way or another through me despite lots of people trying to steal it which they fail to do because it has to be updated every month because of the checksum changing with new/updated files of the game. Reach out to me in private perhaps we can workout a deal for you to use the bypass to your liking. Have a nice day!