Help with items adder

[Smumkey]

Hello! i'm working on a server in version 1.21.10 and itemsadder just isnt working for anything

ive used it before on other versions in the past and it was fine and it said it was updated to support the newest version but still no luck

 

[iDevelopMC]

You should probably ask their support for assistance, as they're the best people to help out.