Need Help Adding Custom Items.

Need help adding custom items to my Private Server I have been working on it for 2 days now and it doesn't seem to be working I have all the things needed to add custom items wanting to add them using JPEX if anyone knows how to add custom items and has some time on their hands please help!

Diskord-
Jay#9821

Thank You!

Search a little bit for tutorials there are a lot of tutorials on mpgh but not all are good search for this post How to add custom items to FSOD. (The right way without lag), it is in the first page of rotmg private server tutorials