14:30:48 [SEVERE] null
java.io.FileNotFoundException: C:\Users\Uder\Desktop\Bukkit Server 1.2.3\plug
ins\Essentials\userdata\cloakz.yml (The requested operation cannot be performed
on a file with a user-mapped section open)
at java.io.FileOutputStream.open(Native Method)
at java.io.FileOutputStream.<init>(Unknown Source)
at java.io.FileOutputStream.<init>(Unknown Source)
at java.io.FileWriter.<init>(Unknown Source)
at org.bukkit.configuration.file.FileConfiguration.save(FileConfiguratio
n.java:56)
at com.earth2me.essentials.EssentialsConf.save(EssentialsConf.java:308)
at com.earth2me.essentials.UserData.setLastLocation(UserData.java:314)
at com.earth2me.essentials.User.setLastLocation(User.java:232)
at com.earth2me.essentials.Teleport.now(Teleport.java:242)
at com.earth2me.essentials.Teleport.teleport(Teleport.java:221)
at com.earth2me.essentials.Teleport.back(Teleport.java:273)
at com.earth2me.essentials.commands.Commandback.run(Commandback.java:22)

at com.earth2me.essentials.commands.EssentialsCommand.run(EssentialsComm
and.java:96)
at com.earth2me.essentials.Essentials.onCommandEssentials(Essentials.jav
a:367)
at com.earth2me.essentials.Essentials.onCommand(Essentials.java:272)
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:16
6)
at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:4
69)
at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.
java:906)
at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:866)

at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:849)
at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:33)
at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)
at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:116)
at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:7
8)
at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:554)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:452)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:490)
>