/give @s iron_sword{Enchantments:[{id:knockback,lvl:2}]}
doesent work either
/give @p minecraft:iron_sword{display:{Name:'[{"text":"Good Sword"}]'}}
my Plug-ins are: Better Massenges, Essentials, Vault, Multiverse-Core,WorldEdit and LuckPerms
on Spigot 1.19
It says :
Error: Unkown Item name: /give @p minecraft:iron_sword{...