Quest error 2

23.10 07:47:02 [Server] SEVERE 	at net.minecraft.server.ThreadServerApplication.run(SourceFile:417)
23.10 07:47:02 [Server] SEVERE 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:374)
23.10 07:47:02 [Server] SEVERE 	at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:471)
23.10 07:47:02 [Server] SEVERE 	at net.minecraft.server.NetworkListenThread.a(SourceFile:108)
23.10 07:47:02 [Server] SEVERE 	at org.getspout.spout.SpoutNetServerHandler.a(SpoutNetServerHandler.java:500)
23.10 07:47:02 [Server] SEVERE 	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:92)
23.10 07:47:02 [Server] SEVERE 	at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
23.10 07:47:02 [Server] SEVERE 	at net.minecraft.server.Packet3Chat.a(Packet3Chat.java:33)
23.10 07:47:02 [Server] SEVERE 	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:715)
23.10 07:47:02 [Server] SEVERE 	at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:722)
23.10 07:47:02 [Server] SEVERE 	at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:757)
23.10 07:47:02 [Server] SEVERE 	at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:358)
23.10 07:47:02 [Server] SEVERE 	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:163)
23.10 07:47:02 [Server] SEVERE 	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
23.10 07:47:02 [Server] SEVERE 	at net.citizensnpcs.Citizens.onCommand(Citizens.java:202)
23.10 07:47:02 [Server] SEVERE 	at net.citizensnpcs.resources.sk89q.CommandsManager.execute(CommandsManager.java:406)
23.10 07:47:02 [Server] SEVERE 	at net.citizensnpcs.resources.sk89q.CommandsManager.executeMethod(CommandsManager.java:522)
23.10 07:47:02 [Server] SEVERE 	at java.lang.reflect.Method.invoke(Method.java:597)
23.10 07:47:02 [Server] SEVERE 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
23.10 07:47:02 [Server] SEVERE 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
23.10 07:47:02 [Server] SEVERE 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
23.10 07:47:02 [Server] SEVERE 	at net.citizensnpcs.questers.QuesterCommands.viewCurrentQuestStatus(QuesterCommands.java:438)
23.10 07:47:02 [Server] SEVERE 	at net.citizensnpcs.questers.quests.types.DeliveryQuest.getStatus(DeliveryQuest.java:70)
23.10 07:47:02 [Server] SEVERE 	at net.citizensnpcs.utils.StringUtils.formatter(StringUtils.java:277)
23.10 07:47:02 [Server] SEVERE 	at net.citizensnpcs.utils.StringUtils.format(StringUtils.java:245)
23.10 07:47:02 [Server] SEVERE 	at net.citizensnpcs.utils.StringUtils.format(StringUtils.java:249)