lua error, string buf table index is nil

[polong]

when I try add new headgear or robe, i test it with grf
and it is always success without lua error
but when i try to patch it to our server, the lua always error with string buf table index is nil
i don't know where i choose the wrong step
can someone help me?
thanks in advance

 

datainfo.rar

[Poring King]

Sometimes this kind of error is just normal and you only need to do is to hex and select the ignore lua error 

[polong]

when i ignore it, the headgear and garment/robe doesn't show
and if the character equipped a garment, the notif always show so i can login into the game