Custom Player Models Disappear On Death Gmod Murder

[bryancabello]

im running a gmod server and I added new custom player model but when they die body disappears for some reason
and I get this error on console Model missing: models/captainbigbutt/vocaloid/luka_append.mdl

[Rubat]

Well its disappearing because your server is missing said model.

[bryancabello]

but the file is in the addons folder pls help