14.12 20:51:04 [Server] INFO GempkA issued server command: /warp crates
14.12 20:51:04 [Server] ERROR null
14.12 20:51:04 [Server] INFO org.bukkit.command.CommandException: Unhandled exception executing 'warp crates' in com.minerealm.bukkit.engine.commands.BukkitCommand$1(warp)
14.12 20:51:04 [Server] INFO at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:150) ~[PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:666) ~[PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1189) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:1001) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_232]
14.12 20:51:04 [Server] INFO at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_232]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:774) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at java.lang.Thread.run(Thread.java:748) [?:1.8.0_232]
14.12 20:51:04 [Server] INFO Caused by: java.util.ConcurrentModificationException
14.12 20:51:04 [Server] INFO at java.util.HashMap$HashIterator.nextNode(HashMap.java:1445) ~[?:1.8.0_232]
14.12 20:51:04 [Server] INFO at java.util.HashMap$KeyIterator.next(HashMap.java:1469) ~[?:1.8.0_232]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.EntityTracker.track(EntityTracker.java:32) ~[PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.WorldManager.a(WorldManager.java:18) ~[PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.World.a(World.java:1068) ~[PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.WorldServer.a(WorldServer.java:1003) ~[PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.World.addEntity(World.java:1061) ~[PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.World.addEntity(World.java:989) ~[PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at net.minecraft.server.v1_8_R3.PlayerList.moveToWorld(PlayerList.java:624) ~[PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.entity.CraftPlayer.teleport(CraftPlayer.java:568) ~[PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
14.12 20:51:04 [Server] INFO at org.bukkit.craftbukkit.v1_8_R3.entity.CraftEntity.teleport(CraftEntity.java:236) ~[PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]