"this.chat" is null - Githubissues

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Plugin Version

ChatManager-3.11

Server Version

1.20.1

Server Platform

Spigot

Describe the bug

[20:53:10 WARN]: [ChatManager] Task #12 for ChatManager v3.11 generated an exception java.lang.NullPointerException: Cannot invoke "net.milkbowl.vault.chat.Chat.getPlayerPrefix(org.bukkit.entity.Player)" because "this.chat" is null at me.h1dd3nxn1nja.chatmanager.support.misc.VaultSupport.getPlayerPrefix(VaultSupport.java:24) ~[ChatManager-3.11.jar:?] at me.h1dd3nxn1nja.chatmanager.managers.PlaceholderManager.setPlaceholders(PlaceholderManager.java:47) ~[ChatManager-3.11.jar:?] at me.h1dd3nxn1nja.chatmanager.managers.AutoBroadcastManager$2.run(AutoBroadcastManager.java:75) ~[ChatManager-3.11.jar:?] at org.bukkit.craftbukkit.v1_20_R1.scheduler.CraftTask.run(CraftTask.java:101) ~[purpur-1.20.1.jar:git-Purpur-2006] at org.bukkit.craftbukkit.v1_20_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:480) ~[purpur-1.20.1.jar:git-Purpur-2006] at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1507) ~[purpur-1.20.1.jar:git-Purpur-2006] at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:487) ~[purpur-1.20.1.jar:git-Purpur-2006] at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1421) ~[purpur-1.20.1.jar:git-Purpur-2006] at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1192) ~[purpur-1.20.1.jar:git-Purpur-2006] at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:323) ~[purpur-1.20.1.jar:git-Purpur-2006]

It seems like the problem falls on the Nullptr. I'm not sure whether the problem is caused by the Vault plugin or the chatmanager ifself, but it does not affect the common utilities. But it may cause some lags in the server?

Steps to reproduce

when player enter the server you can see the error or waring keep showing on the panel

Additional context