lol same probl..
i get same eror like in photo if i put smthin or no in any .dat
some make a good tut about how to add custom items in .dat with photos :)
[EN]When u save the file, save it on 413 version
i save in 413 but dn't work is smthing with fileedit.. :( i have c6 .. client and fileedit
look better in system and see u dn't have anymore armorgrp.dat or what .dat u tried to edit :)
if armorgrp get it from: http://www.4shared.com/file/112782565/3f2c87f4/armorgrp.html