asssaerfsaf

Hey so, i need to make a dupe skript but it shows 2 errors. Heres my skript and the error. command /dupe: trigger: set {_tool} to player's tool if {_tool} is air: send "&aYou cannot dupe air!" to player stop else: if "%{_tool}%" contains "shulker box": set {_tag} to tag "tag;BlockEntityTag;Items" of nbt compound of {_tool} if "%{_tag}%" contains "elytra" or "dragon egg" or "dragon head" or "smithing template" or "netherite ingot": send "&aThis item is blacklisted." to player stop else if {_tool} is a elytra or dragon egg or dragon head or smithing template or netherite ingot: send "&aThis item is blacklisted." to player stop give player's tool to player