X-item

[Aremdy]

Hello good day everyone, I'm a newbie here in ragnarok server making, I would like to ask some assistance in this matter
my item in game looks like this, how do I solve this problem?

I think im in the wrong section of the forums, if I am, please do transfer me to the correct section and 
can anyone send me links to solve this problem thank you.

Print screen for your reference.

[Paroxysm]

Follow this guide on adding custom items. https://rathena.org/wiki/Custom_Items