There is a problem when new players join. There is an error. Someone who would help me with this?
[16:36:09 ERROR]: --- DO NOT REPORT THIS TO PAPER - THIS IS NOT A BUG OR A CRASH - git-Paper-345 (MC: 1.16.4) ---
[16:36:09 ERROR]: The server has not responded for 10 seconds! Creating thread dump
[16:36:09 ERROR]: ------------------------------
[16:36:09 ERROR]: Server thread dump (Look for plugins here before reporting to Paper!):
[16:36:09 ERROR]: ------------------------------
[16:36:09 ERROR]: Current Thread: Server thread
[16:36:09 ERROR]: PID: 35 | Suspended: false | Native: true | State: RUNNABLE
[16:36:09 ERROR]: Stack:
[16:36:09 ERROR]: java.net.SocketInputStream.socketRead0(Native Method)
[16:36:09 ERROR]: java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
[16:36:09 ERROR]: java.net.SocketInputStream.read(SocketInputStream.java:171)
[16:36:09 ERROR]: java.net.SocketInputStream.read(SocketInputStream.java:141)
[16:36:09 ERROR]: sun.security.ssl.InputRecord.readFully(InputRecord.java:465)
[16:36:09 ERROR]: sun.security.ssl.InputRecord.read(InputRecord.java:503)
[16:36:09 ERROR]: sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:983)
[16:36:09 ERROR]: sun.security.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:940)
[16:36:09 ERROR]: sun.security.ssl.AppInputStream.read(AppInputStream.java:105)
[16:36:09 ERROR]: java.io.BufferedInputStream.fill(BufferedInputStream.java:246)
[16:36:09 ERROR]: java.io.BufferedInputStream.read1(BufferedInputStream.java:286)
[16:36:09 ERROR]: java.io.BufferedInputStream.read(BufferedInputStream.java:345)
[16:36:09 ERROR]: sun.net.
www.http.HttpClient.parseHTTPHeader(HttpClient.java:735)
[16:36:09 ERROR]: sun.net.
www.http.HttpClient.parseHTTP(HttpClient.java:678)
[16:36:09 ERROR]: sun.net.
www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1587)
[16:36:09 ERROR]: sun.net.
www.protocol.http.HttpURLConnection.access$200(HttpURLConnection.java:91)
[16:36:09 ERROR]: sun.net.
www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1484)
[16:36:09 ERROR]: sun.net.
www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1482)
[16:36:09 ERROR]: java.security.AccessController.doPrivileged(Native Method)
[16:36:09 ERROR]: java.security.AccessController.doPrivilegedWithCombiner(AccessController.java:782)
[16:36:09 ERROR]: sun.net.
www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1481)
[16:36:09 ERROR]: sun.net.
www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:263)
[16:36:09 ERROR]: com.mojang.authlib.HttpAuthenticationService.performGetRequest(HttpAuthenticationService.java:140)
[16:36:09 ERROR]: com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:104)
[16:36:09 ERROR]: com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:99)
[16:36:09 ERROR]: com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.fillGameProfile(YggdrasilMinecraftSessionService.java:186)
[16:36:09 ERROR]: com.destroystokyo.paper.profile.PaperMinecraftSessionService.fillGameProfile(PaperMinecraftSessionService.java:38)
[16:36:09 ERROR]: com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.fillProfileProperties(YggdrasilMinecraftSessionService.java:179)
[16:36:09 ERROR]: com.destroystokyo.paper.profile.PaperMinecraftSessionService.fillProfileProperties(PaperMinecraftSessionService.java:31)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.TileEntitySkull$1.load(TileEntitySkull.java:80)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.TileEntitySkull$1.load(TileEntitySkull.java:47)
[16:36:09 ERROR]: com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3716)
[16:36:09 ERROR]: com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2424)
[16:36:09 ERROR]: com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2298)
[16:36:09 ERROR]: com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2211)
[16:36:09 ERROR]: com.google.common.cache.LocalCache.get(LocalCache.java:4154)
[16:36:09 ERROR]: com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:4158)
[16:36:09 ERROR]: com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:5147)
[16:36:09 ERROR]: com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:5153)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.TileEntitySkull$3.call(TileEntitySkull.java:221)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.TileEntitySkull$3.call(TileEntitySkull.java:218)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.TileEntitySkull.b(TileEntitySkull.java:237)
[16:36:09 ERROR]: org.bukkit.craftbukkit.v1_16_R3.inventory.CraftMetaSkull.applyToItem(CraftMetaSkull.java:103)
[16:36:09 ERROR]: org.bukkit.craftbukkit.v1_16_R3.inventory.CraftItemStack.setItemMeta(CraftItemStack.java:535)
[16:36:09 ERROR]: org.bukkit.craftbukkit.v1_16_R3.inventory.CraftItemStack.asNMSCopy(CraftItemStack.java:42)
[16:36:09 ERROR]: org.bukkit.craftbukkit.v1_16_R3.inventory.CraftInventory.setItem(CraftInventory.java:99)
[16:36:09 ERROR]: me.codedred.advancedhelp.menus.Menu.create(Menu.java:80)
[16:36:09 ERROR]: me.codedred.advancedhelp.commands.Help.onCommand(Help.java:68)
[16:36:09 ERROR]: org.bukkit.command.PluginCommand.execute(PluginCommand.java:45)
[16:36:09 ERROR]: org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159)
[16:36:09 ERROR]: org.bukkit.craftbukkit.v1_16_R3.CraftServer.dispatchCommand(CraftServer.java:807)
[16:36:09 ERROR]: org.bukkit.Bukkit.dispatchCommand(Bukkit.java:758)
[16:36:09 ERROR]: org.bukkit.command.FormattedCommandAlias.execute(FormattedCommandAlias.java:37)
[16:36:09 ERROR]: org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159)
[16:36:09 ERROR]: org.bukkit.craftbukkit.v1_16_R3.CraftServer.dispatchCommand(CraftServer.java:807)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.PlayerConnection.handleCommand(PlayerConnection.java:2021)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.PlayerConnection.c(PlayerConnection.java:1832)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.PlayerConnection.a(PlayerConnection.java:1785)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.PacketPlayInChat.a(PacketPlayInChat.java:47)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.PacketPlayInChat.a(PacketPlayInChat.java:5)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.PlayerConnectionUtils.lambda$ensureMainThread$1(PlayerConnectionUtils.java:23)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.PlayerConnectionUtils$$Lambda$6765/2129131699.run(Unknown Source)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.TickTask.run(SourceFile:18)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.MinecraftServer.bb(MinecraftServer.java:1133)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.MinecraftServer.executeNext(MinecraftServer.java:1126)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.MinecraftServer.sleepForTick(MinecraftServer.java:1087)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1001)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:178)
[16:36:09 ERROR]: net.minecraft.server.v1_16_R3.MinecraftServer$$Lambda$3061/22817162.run(Unknown Source)
[16:36:09 ERROR]: java.lang.Thread.run(Thread.java:748)
[16:36:09 ERROR]: ------------------------------
[16:36:09 ERROR]: --- DO NOT REPORT THIS TO PAPER - THIS IS NOT A BUG OR A CRASH ---
[16:36:09 ERROR]: ------------------------------
[16:36:10 WARN]: Can't keep up! Is the server overloaded? Running 10330ms or 206 ticks behind