Can't craft with null

[JYTGames]

hey guys Im having troubles with trying to pull null into a recipe, not sure if its the version im on, but I can't really get this working (i am on 1.16.5)
here is the issue
// add recipe for Nethertie Armor
craftingTable.addShaped("item",item:minecraft:netherite_helmet,[
[item:minecraft:netherite_ingot,item:minecraft:netherite_ingot,item:minecraft:netherite_ingot],
[item:minecraft:netherite_ingot,null,item:minecraft:netherite_ingot],
]);

craftingTable.addShaped("item",item:minecraft:netherite_boots,[
[item:minecraft:netherite_ingot,null,item:minecraft:netherite_ingot],
[item:minecraft:netherite_ingot,null,item:minecraft:netherite_ingot],
]);

craftingTable.addShaped("item",item:minecraft:netherite_leggings[
[item:minecraft:netherite_ingot,item:minecraft:netherite_ingot,item:minecraft:netherite_ingot],
[item:minecraft:netherite_ingot,null,item:minecraft:netherite_ingot],
[item:minecraft:netherite_ingot,null,item:minecraft:netherite_ingot]
]);

craftingTable.addShaped("item",item:minecraft:netherite_chestplate[
[item:minecraft:netherite_ingot,null,item:minecraft:netherite_ingot],
[item:minecraft:netherite_ingot,item:minecraft:netherite_ingot,item:minecraft:netherite_ingot],
[item:minecraft:netherite_ingot,item:minecraft:netherite_ingot,item:minecraft:netherite_ingot]
]);

[kindlich]

There is no version of MineTweaker3 for 1.16.5
Are you talking about CraftTweaker?
https://github.com/CraftTweaker/CraftTweaker/issues

[JYTGames]

There is no version of MineTweaker3 for 1.16.5
Are you talking about CraftTweaker?
https://github.com/CraftTweaker/CraftTweaker/issues

yes my bad D: