Hỏi đáp Khi member vao sv thi hien len loi nay

[09:09:17] [Server thread/ERROR]: Could not pass event PlayerJoinEvent to AdvancedChatTorch v2.1.0
org.bukkit.event.EventException: null
at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:72) ~[PaperSpigot-latest.jar:git-Paper-1499]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[PaperSpigot-latest.jar:git-Paper-1499]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[PaperSpigot-latest.jar:git-Paper-1499]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:527) [PaperSpigot-latest.jar:git-Paper-1499]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:512) [PaperSpigot-latest.jar:git-Paper-1499]
at net.minecraft.server.v1_12_R1.PlayerList.onPlayerJoin(PlayerList.java:370) [PaperSpigot-latest.jar:git-Paper-1499]
at net.minecraft.server.v1_12_R1.PlayerList.a(PlayerList.java:183) [PaperSpigot-latest.jar:git-Paper-1499]
at net.minecraft.server.v1_12_R1.LoginListener.b(LoginListener.java:178) [PaperSpigot-latest.jar:git-Paper-1499]
at net.minecraft.server.v1_12_R1.LoginListener.e(LoginListener.java:68) [PaperSpigot-latest.jar:git-Paper-1499]
at net.minecraft.server.v1_12_R1.NetworkManager.a(NetworkManager.java:255) [PaperSpigot-latest.jar:git-Paper-1499]
at net.minecraft.server.v1_12_R1.ServerConnection.c(ServerConnection.java:150) [PaperSpigot-latest.jar:git-Paper-1499]
at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:947) [PaperSpigot-latest.jar:git-Paper-1499]
at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:427) [PaperSpigot-latest.jar:git-Paper-1499]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:773) [PaperSpigot-latest.jar:git-Paper-1499]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:665) [PaperSpigot-latest.jar:git-Paper-1499]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_171]
Caused by: java.lang.IllegalArgumentException: Permission name cannot be null
at org.bukkit.permissions.PermissibleBase.hasPermission(PermissibleBase.java:66) ~[PaperSpigot-latest.jar:git-Paper-1499]
at org.bukkit.craftbukkit.v1_12_R1.entity.CraftHumanEntity.hasPermission(CraftHumanEntity.java:112) ~[PaperSpigot-latest.jar:git-Paper-1499]
at me.mcgamer00000.act.events.ConnectionHandler.add(ConnectionHandler.java:31) ~[?:?]
at me.mcgamer00000.act.events.ConnectionHandler.onJoin(ConnectionHandler.java:18) ~[?:?]
at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor181.execute(Unknown Source) ~[?:?]
at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70) ~[PaperSpigot-latest.jar:git-Paper-1499]
... 15 more
*****Nội dung được bổ sung thêm*****
Help meeeeeee

Bạn thử xoá Advanced Chat Torch
Hoặc dùng spigot hay vì paper spigot

Xóa plugin AdvancedChatTorch v2.1.0
Phương án 2: tải phiên bản khác nếu bị nữa xóa plugin

@Banbeucmas giúp tui với,thấy ông có vẻ rành về code nên hi vọng ông biết đc cách fix của nó :(
*****Nội dung được bổ sung thêm*****
Aaaaaaaaaaaaaaa