[HELP] Changing wep textures

[burnnn]

hi, i have problem when i will replace the textures the l2 tool say ???minimap?????? something like this when i click on SET

if someone can help me, i wanna change the c4 textures of gods blade(forgotten blade) and arcana staff (imperial staff ) back to the their c3 textures

here's the c3 textures Download-Link: http://rapidshare.de/files/23633734/LineageWeaponsTex.utx.html

[burnnn]

this is the error... 1???MIPMap???????????