[2022] Unable to save or edit skins.

Hi,
I have recently run into an issue while using the skin editor. creating a skin works fine but once I attempt to save the skin it doesn't seem to save properly. I'm not entirely sure what is going on. However, reinstalling the game doesn't seem to work, nor does upgrading my graphics drivers. I have tried most things I could think of but nothing has worked. I checked trackmania does have read/write permissions and the files saved do show up, also after I have saved and reentered the file to edit the skin I am only able to paint specific portions at a significantly low quality. The files that aren't working are also significantly smaller than the previous working skins that I have made.


the .zip of this nonworking file is 130 kb and my previous working skins have been about 700kb

video showing me recreating the bug

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This bug is also affecting existing skins that I have made that I attempt to edit.
Thank you for the help!