Could not pass event InventoryClickEvent to Duels v3.5.3

[SrBedrock]

[12:23:22 INFO]: _Embry issued server command: /duel henri22x
[12:23:22 INFO]: henri22x lost connection: Disconnected
[12:23:24 ERROR]: Could not pass event InventoryClickEvent to Duels v3.5.3
java.lang.IllegalArgumentException: UUID id cannot be null
        at com.google.common.base.Preconditions.checkArgument(Preconditions.java:145) ~[guava-31.1-jre.jar:?]
        at org.bukkit.craftbukkit.v1_20_R1.CraftServer.getPlayer(CraftServer.java:724) ~[purpur-1.20.1.jar:git-Purpur-2050]
        at org.bukkit.Bukkit.getPlayer(Bukkit.java:721) ~[purpur-api-1.20.1-R0.1-SNAPSHOT.jar:?]
        at me.realized.duels.gui.settings.buttons.RequestDetailsButton.update(RequestDetailsButton.java:20) ~[Duels-3.5.3.jar:?]
        at me.realized.duels.util.gui.AbstractGui.lambda$update$5(AbstractGui.java:81) ~[Duels-3.5.3.jar:?]
        at java.util.HashMap.forEach(HashMap.java:1421) ~[?:?]
        at me.realized.duels.util.gui.AbstractGui.lambda$update$6(AbstractGui.java:80) ~[Duels-3.5.3.jar:?]
        at java.util.HashMap.forEach(HashMap.java:1421) ~[?:?]
        at me.realized.duels.util.gui.AbstractGui.update(AbstractGui.java:80) ~[Duels-3.5.3.jar:?]
        at me.realized.duels.util.gui.SinglePageGui.open(SinglePageGui.java:34) ~[Duels-3.5.3.jar:?]
        at me.realized.duels.setting.Settings.openGui(Settings.java:77) ~[Duels-3.5.3.jar:?]
        at me.realized.duels.arena.ArenaImpl.onClick(ArenaImpl.java:255) ~[Duels-3.5.3.jar:?]
        at me.realized.duels.util.gui.MultiPageGui.on(MultiPageGui.java:181) ~[Duels-3.5.3.jar:?]
        at me.realized.duels.util.gui.GuiListener.on(GuiListener.java:101) ~[Duels-3.5.3.jar:?]
        at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor480.execute(Unknown Source) ~[?:?]
        at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:77) ~[purpur-api-1.20.1-R0.1-SNAPSHOT.jar:?]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:77) ~[purpur-api-1.20.1-R0.1-SNAPSHOT.jar:git-Purpur-2050]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[purpur-api-1.20.1-R0.1-SNAPSHOT.jar:?]
        at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54) ~[purpur-1.20.1.jar:git-Purpur-2050]
        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:126) ~[purpur-1.20.1.jar:git-Purpur-2050]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:617) ~[purpur-api-1.20.1-R0.1-SNAPSHOT.jar:?]
        at net.minecraft.server.network.ServerGamePacketListenerImpl.handleContainerClick(ServerGamePacketListenerImpl.java:3355) ~[?:?]
        at net.minecraft.network.protocol.game.ServerboundContainerClickPacket.handle(ServerboundContainerClickPacket.java:58) ~[?:?]
        at net.minecraft.network.protocol.game.ServerboundContainerClickPacket.handle(ServerboundContainerClickPacket.java:23) ~[?:?]
        at net.minecraft.network.protocol.PacketUtils.lambda$ensureRunningOnSameThread$0(PacketUtils.java:51) ~[?:?]
        at net.minecraft.server.TickTask.run(TickTask.java:18) ~[purpur-1.20.1.jar:git-Purpur-2050]
        at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:153) ~[?:?]
        at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:24) ~[?:?]
        at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1365) ~[purpur-1.20.1.jar:git-Purpur-2050]
        at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:197) ~[purpur-1.20.1.jar:git-Purpur-2050]
        at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:126) ~[?:?]
        at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1342) ~[purpur-1.20.1.jar:git-Purpur-2050]
        at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1335) ~[purpur-1.20.1.jar:git-Purpur-2050]
        at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:136) ~[?:?]
        at net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:1313) ~[purpur-1.20.1.jar:git-Purpur-2050]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1201) ~[purpur-1.20.1.jar:git-Purpur-2050]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:322) ~[purpur-1.20.1.jar:git-Purpur-2050]
        at java.lang.Thread.run(Thread.java:833) ~[?:?]