Why did it import into blender like this?

I’m trying to fix this, it imported weirdly.
In Blender:


In Studio:
image
Why did it import from studio like this? Please help me lol
(INSIDE THE MODEL)
image

It’s likely due to duplicated vertices—If you select all vertices in edit mode, right click, select Merge Vertices > By Distance, it should fix it. Either that or you’ll have to retopologize.