Help pls i don't know what is this

[sanhanat_jam]

it appear when wear cloth.

 

[matrikz]

What are you talking about?

 

[Eriance]

What are you talking about?

I think he's referring to the light blue patch between the character's clavicle and deltoid muscle. I assumed it was just her cybernetics.

 

[HWG]

Looks like a bug with the outfit, the "template" body is showing and wasn't properly disabled.