Everytime a user goes near a monster on their island, the user crashes [05:55:46] [Server thread/INFO]: - lost connection: Internal Exception: io.netty.handler.codec.EncoderException: java.lang.IllegalArgumentException: Unknown mob network type id -1.
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1.12.2
Latest.
Plugins (68): AcidIsland, ActionAnnouncer, AdvancedPortals, APT, ASkyBlock, AsyncWorldEdit, AsyncWorldEditInjector, BannerBoard, BossShopPro, BungeeTabListPlus, ChatColorGui, ChatControl, ChatReaction, ChopTree3, Citizens, CitizensCMD, ClearLag, ClientStats, CoreProtect, CrateReloaded, CrazyAuctions, DeluxeChat, DeluxeJoin, EasyBackup, Emotes, EnjinMinecraftPlugin, Essentials, EssentialsSpawn, Firework, HeadDatabase, HolographicDisplays, HungerKeeperPlus, ItemShops, LibsDisguises, LockettePro, LuckPerms, MGDeathRun, MinigamesLib, Multiverse-Core, MyCommand, NametagEdit, NoCheatPlus, PetBlocks, PlaceholderAPI, PlugMan, PointsAPI, ProQuests, ProtocolLib, ProtocolSupport, ProtocolSupportLegacySupport, ProtocolSupportStuff, Shop, SkyChests, SkyGlobalChat, Skywars, SSKits, SuperTrails, TitleManager, UltraCosmetics, VanishNoPacket, Vault, ViaBackwards, ViaVersion, VoteParty, Votifier, WorldBorder, WorldEdit, WorldGuard
Everytime a user goes near a monster on their island, the user crashes [05:55:46] [Server thread/INFO]: - lost connection: Internal Exception: io.netty.handler.codec.EncoderException: java.lang.IllegalArgumentException: Unknown mob network type id -1.
Steps to make this happen
What do you think should happen?
It shouldn't crash.