addRecipes(Material.COAL,1);
addRecipes(Material.IRON_INGOT,2);
addRecipes(Material.GOLD_INGOT,3);
addRecipes(Material.DIAMOND,4);
addRecipes(Material.EMERALD,5);
addRecipes(Material.NETHERITE_INGOT,6); 

public void addRecipes(Material additionalIngredient, int tier) {

    ShapedRecipe shapedRecipe = new ShapedRecipe(new NamespacedKey(this, "tier"+tier), new ItemStack(Material.BOW));
    shapedRecipe.shape("aaa",
                       "aba",
                       "aaa");
    shapedRecipe.setIngredient('a', additionalIngredient);
    shapedRecipe.setIngredient('b', new RecipeChoice.MaterialChoice(Material.BUNDLE));
    Bukkit.addRecipe(shapedRecipe);

}

[19:25:10] [Server thread/ERROR]: Failed to handle packet PacketPlayInAutoRecipe[containerId=46, recipe=RecipeDisplayId[index=1265], useMaxItems=false], suppressing error
java.lang.ClassCastException: class net.minecraft.world.item.crafting.CraftingInput cannot be cast to class net.minecraft.world.item.crafting.SingleRecipeInput (net.minecraft.world.item.crafting.CraftingInput and net.minecraft.world.item.crafting.SingleRecipeInput are in unnamed module of loader java.net.URLClassLoader @736e9adb)
        at net.minecraft.world.item.crafting.RecipeSingleItem.a(SourceFile:15) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.world.item.crafting.CraftingManager.a(CraftingManager.java:190) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.world.inventory.ContainerWorkbench.a(ContainerWorkbench.java:61) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.world.inventory.ContainerWorkbench.a(ContainerWorkbench.java:104) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.world.inventory.AbstractCraftingMenu.a(AbstractCraftingMenu.java:71) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.server.network.PlayerConnection.a(PlayerConnection.java:2909) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.network.protocol.game.PacketPlayInAutoRecipe.a(SourceFile:29) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.network.protocol.game.PacketPlayInAutoRecipe.a(SourceFile:10) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.network.protocol.PlayerConnectionUtils.lambda$ensureRunningOnSameThread$0(PlayerConnectionUtils.java:35) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.server.TickTask.run(SourceFile:18) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.util.thread.IAsyncTaskHandler.d(SourceFile:164) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.util.thread.IAsyncTaskHandlerReentrant.d(SourceFile:23) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1319) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:210) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.util.thread.IAsyncTaskHandler.B(SourceFile:138) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.server.MinecraftServer.bv(MinecraftServer.java:1298) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.server.MinecraftServer.B(MinecraftServer.java:1291) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.util.thread.IAsyncTaskHandler.b(SourceFile:147) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1248) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.server.MinecraftServer.x_(MinecraftServer.java:1258) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.server.MinecraftServer.y(MinecraftServer.java:1101) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:329) ~[spigot-1.21.3-R0.1-SNAPSHOT.jar:dev-Spigot-5eb8a94-6029040]
        at java.base/java.lang.Thread.run(Thread.java:1575) [?:?]