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Bug
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Resolution: Awaiting Response
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None
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Minecraft 1.14.1, 1.14.4, 19w41a
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None
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Confirmed
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Crash, Datafixer, Performance
The bug
I have downloaded Hidden Valley Survival. It's a Minecraft world for 1.10. I have uploaded this world on my 1.14 server, but I get spam into console and the server stops responding.
The map can be downloaded here: https://www.minecraftforum.net/forums/mapping-and-modding-java-edition/maps/1527322-hidden-valley-survival-tons-of-adventure-dungeons
Log snippet
[21:02:12] [Server thread/WARN]: Unsupported key: in TaggedChoiceType[id, MinecartChest -> ((Tag["DisplayTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), ((Tag["Items", List[MuType[V501_3]]] | NilDrop), NilSave)), SpectralArrow -> ((Tag["inTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), NilSave), EyeOfEnderSignal -> NilSave, ItemFrame -> ((Tag["Item", MuType[V501_3]] | NilDrop), NilSave), MinecartCommandBlock -> ((Tag["DisplayTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), NilSave), Item -> ((Tag["Item", MuType[V501_3]] | NilDrop), NilSave), EntityHorse -> ((Tag["Items", List[MuType[V501_3]]] | NilDrop), ((Tag["ArmorItem", MuType[V501_3]] | NilDrop), ((Tag["SaddleItem", MuType[V501_3]] | NilDrop), ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave))))), Fireball -> ((Tag["inTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), NilSave), EnderDragon -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), MinecartTNT -> ((Tag["DisplayTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), NilSave), Villager -> ((Tag["Inventory", List[MuType[V501_3]]] | NilDrop), ((Tag["Offers", ((Tag["Recipes", List[((Tag["buy", MuType[V501_3]] | NilDrop), ((Tag["buyB", MuType[V501_3]] | NilDrop), ((Tag["sell", MuType[V501_3]] | NilDrop), NilSave)))]] | NilDrop), NilSave)] | NilDrop), ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)))), ThrownPotion -> ((Tag["inTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), ((Tag["Potion", MuType[V501_3]] | NilDrop), NilSave)), Guardian -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), SnowMan -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), LeashKnot -> NilSave, Arrow -> ((Tag["inTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), NilSave), MushroomCow -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), LavaSlime -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), Zombie -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), MinecartSpawner -> ((Tag["DisplayTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), MuType[V501_4]), EnderCrystal -> NilSave, Snowball -> ((Tag["inTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), NilSave), Enderman -> ((Tag["carried", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave))), CaveSpider -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), MinecartHopper -> ((Tag["DisplayTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), ((Tag["Items", List[MuType[V501_3]]] | NilDrop), NilSave)), XPOrb -> NilSave, ThrownExpBottle -> ((Tag["inTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), NilSave), FireworksRocketEntity -> ((Tag["FireworksItem", MuType[V501_3]] | NilDrop), NilSave), Chicken -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), FallingSand -> ((Tag["Block", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), ((Tag["TileEntityData", MuType[V501_0]] | NilDrop), NilSave)), Giant -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), VillagerGolem -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), PrimedTnt -> NilSave, Endermite -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), Creeper -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), Rabbit -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), ThrownEnderpearl -> ((Tag["inTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), NilSave), Silverfish -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), ShulkerBullet -> NilSave, Shulker -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), ArmorStand -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), Squid -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), Skeleton -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), SmallFireball -> ((Tag["inTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), NilSave), MinecartRideable -> ((Tag["DisplayTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), NilSave), Wolf -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), Witch -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), PolarBear -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), Ozelot -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), ThrownEgg -> ((Tag["inTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), NilSave), Cow -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), Slime -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), AreaEffectCloud -> NilSave, Painting -> NilSave, Pig -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), MinecartFurnace -> ((Tag["DisplayTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), NilSave), Bat -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), Blaze -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), WitherBoss -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), PigZombie -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), Spider -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), Ghast -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), Sheep -> ((Tag["ArmorItems", List[MuType[V501_3]]] | NilDrop), ((Tag["HandItems", List[MuType[V501_3]]] | NilDrop), NilSave)), WitherSkull -> ((Tag["inTile", NamedType["block_name", (Int | NamespacedString)]] | NilDrop), NilSave), Boat -> NilSave] ...