{SOLVED} Problem with texture showing up on the sim's neck

I'm currently converting a mesh from a retired sims 3 creator (YSStudio)

( I'm not planning on publishing it yet since I still need to find a way to contact the original creator to ask for permission and they're super hard to contact, haha).


Also if it's still an issue that I haven't been able to contact the creator even though I'm not publishing it I will immediately close this thread if you ask me to

(sorry I'm not sure, that's why I'm posting this)

I've already solved a lot of the issues I had with the mesh myself but I can't seem to get rid of those annoying texture issues around the neck area:



This is how it looks in the 3d view in Blender:



This is the UV Map ( still needs some refinement, I know ovo; ) :



And here's the package

Additional information:

I used Milkshape and S4CasTools to convert the mesh and Photoshop for the texture.
My current S4Studio version is Jackpot.

Thank you in advance!!