Could not hide vanished players while handling org.bukkit.event.server.ServerListPingEvent
java.lang.UnsupportedOperationException: null
        at org.bukkit.event.server.ServerListPingEvent.iterator(ServerListPingEvent.java:187) ~[forge-1.20.1-47.2.17-universal.jar%23361!/:?]
        at com.earth2me.essentials.EssentialsServerListener.onServerListPing(EssentialsServerListener.java:74) [EssentialsX-2.21.0-dev+24-0af4436.jar:?]
        at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?]
        at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?]
        at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
        at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) [forge-1.20.1-47.2.17-universal.jar%23361!/:?]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) [forge-1.20.1-47.2.17-universal.jar%23361!/:?]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:602) [forge-1.20.1-47.2.17-universal.jar%23361!/:?]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:586) [forge-1.20.1-47.2.17-universal.jar%23361!/:?]
        at org.bukkit.craftbukkit.v1_20_R1.event.CraftEventFactory.callServerListPingEvent(CraftEventFactory.java:891) [forge-1.20.1-47.2.17-universal.jar%23361!/:?]
        at net.minecraft.server.network.LegacyQueryHandler.channelRead(LegacyQueryHandler.java:34) [server-1.20.1-20230612.114412-srg.jar%23356!/:?]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) [netty-transport-4.1.82.Final.jar%23171!/:4.1.82.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) [netty-transport-4.1.82.Final.jar%23171!/:4.1.82.Final]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357) [netty-transport-4.1.82.Final.jar%23171!/:4.1.82.Final]
        at io.netty.handler.timeout.IdleStateHandler.channelRead(IdleStateHandler.java:286) [netty-handler-4.1.82.Final.jar%23169!/:4.1.82.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) [netty-transport-4.1.82.Final.jar%23171!/:4.1.82.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) [netty-transport-4.1.82.Final.jar%23171!/:4.1.82.Final]
        at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357) [netty-transport-4.1.82.Final.jar%23171!/:4.1.82.Final]
        at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410) [netty-transport-4.1.82.Final.jar%23171!/:4.1.82.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379) [netty-transport-4.1.82.Final.jar%23171!/:4.1.82.Final]
        at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365) [netty-transport-4.1.82.Final.jar%23171!/:4.1.82.Final]
        at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919) [netty-transport-4.1.82.Final.jar%23171!/:4.1.82.Final]
        at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166) [netty-transport-4.1.82.Final.jar%23171!/:4.1.82.Final]
        at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788) [netty-transport-4.1.82.Final.jar%23171!/:4.1.82.Final]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:724) [netty-transport-4.1.82.Final.jar%23171!/:4.1.82.Final]
        at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:650) [netty-transport-4.1.82.Final.jar%23171!/:4.1.82.Final]
        at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562) [netty-transport-4.1.82.Final.jar%23171!/:4.1.82.Final]
        at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) [netty-common-4.1.82.Final.jar%23168!/:4.1.82.Final]
        at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) [netty-common-4.1.82.Final.jar%23168!/:4.1.82.Final]
        at java.lang.Thread.run(Thread.java:842) [?:?]