Having issues with EUP

Hey there
I’ve recently installed EUP for my 5 slot server (under 5 slots gives you free EUP)

but when i put the vest on the textures are all messed up
image
here’s what the texture looks like


and here is what it’s meant to look like
and yes i did install the required textures

i’m using this EUP

any help is greatly appreciated!
Thanks