Please explain your issue. How do you trigger it?
I can't trigger it. It happens randomly and kicks all players. And the error gets broadcasted into the bungee console. And we are sure its from your plugin because we tried disabling it and then it stopped kicking the players.
Bug Report
Type /ver NametagEdit and post the output. 4.5.10
What version of Bukkit/Spigot/PaperSpigot are you using? Type /ver Purpur-1669
What plugins are you using? Type /plugins AdvancedPortals, ajParkour, AngelChest, ArmorStandTools, BankPlus, BetterRTP, BetterSleeping4, ChatControl, ChestShop, Citizens, Clans, ClearLag, CMILib, CombatPlus, CoreProtect, DeathMessages, DeluxeMenus, EpicRename, Essentials, ExcellentCrates, FastAsyncWorldEdit (WorldEdit), GSit, HeadDrops, HideAll, HolidayHunt, HolographicDisplays, HolographicExtension, HydraGiveall, iKoth, IllegalStack, ImageMaps, IPWhitelist, Jobs, Lands, LCEmotes, LPC, LuckPerms, LunarClient-API, MarriageMaster, Multiverse-Core, MuteChat, MyCommand, NametagEdit, NexEngine, Orebfuscator, PinataParty, PlaceholderAPI, PlayerAuctions, PlayerWarps, PlayTime, PlugManX (PlugMan), ProtocolLib, Quests, Roulette, SetSpawn, Signs, StatsTracker, TempFly, TitleManager, TradeSystem, TreasureChestX, UltimateTimber, UltraBar, Vault, ViaVersion, Votifier, VotingPlugin, WorldGuard, WorldGuardExtraFlags
Please explain your issue. How do you trigger it? I can't trigger it. It happens randomly and kicks all players. And the error gets broadcasted into the bungee console. And we are sure its from your plugin because we tried disabling it and then it stopped kicking the players.
Are there any errors in the console? Please use: https://pastebin.com https://pastebin.com/tUJMUevA