I cant use my kit with the ID 276 AKA diamond sword it doesnt work. it says unknown ID.
latest.log is my startup log so you can see there are alot of erros and spams from item.csv. IDK what I need to do

What version of essentials are you running? This is the latest one for 1.8.8: https://ci.ender.zone/job/EssentialsX/664/

The 1.13 versions don't fully support item id's on older versions iirc

the newest

Closing due to lack of resposne.