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[1.21] - Unable to add tags to custom enchantments

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This is the code for my enchantment tags provider for data generation:

public final class ModEnchantmentTagsProvider extends EnchantmentTagsProvider {

	public ModEnchantmentTagsProvider(PackOutput packOutput, CompletableFuture<Provider> lookupProvider) {
		super(packOutput, lookupProvider);

	protected void addTags(Provider provider) {

    public String getName()
        return "Unique Magic Enchantment Tags";


So what am I doing here is:

1) Adding my custom protection enchantments to be ARMOR_EXCLUSIVE so they don't clash with existing protection enchantments

2) Adding tag that makes my custom EXPLORATION enchantment to be exclusive with MENDING enchantment

This is then registered in ModDataGenerators:

dataGen.addProvider(event.includeServer(), new ModEnchantmentTagsProvider(packOutput, lookupProvider));

When datagen is run, I end up with this error:

Caused by: java.util.concurrent.CompletionException: java.lang.IllegalArgumentException: Couldn't define tag minecraft:exclusive_set/armor as it is missing following references: uniquemagic:freezing_protection,uniquemagic:lightning_protection,uniquemagic:magic_protection,uniquemagic:sonic_protection

Enchantments have been migrated to 1.21 and they work in game as they did in 1.20.6.

I also get enchantment JSON files in src/generated/resources so that is working well too.

However, I cannot make these tags to work no matter what I try.

Is there something that I am missing?


Edited by Adil Yilan
Duplicate line removal.
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