[request / help] Scar-L trispear

I would like help to make a scar L trispear black with 12/01/09 written on the side or have it gold plated or something like that.. how would i go a bout doing it? i've tried the black with the blue 12/01/09 on it but it didnt work i got the gray gun failure..

helpp >:S..

PS: DON'T RE-DIRECT ME TO LIQUIDFORCE'S GUIDE BECAUSE I FOLLOWED THAT AND IT STILL DIDNT WORK THIS TIME.

Check if you changed the .dtx back to Nexon.
Happened to me once

i did that plenty of times double checking everything.