error

ava:460)
        at net.minecraft.server.ServerConfigurationManager.c(ServerConfiguration
Manager.java:131)
        at net.minecraft.server.NetLoginHandler.b(NetLoginHandler.java:121)
        at net.minecraft.server.NetLoginHandler.a(NetLoginHandler.java:40)
        at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:6
1)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:537)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:435)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.bukkit.plugin.java.JavaPluginLoader$103.execute(JavaPluginLoader.
java:1024)
        ... 9 more
Caused by: java.lang.RuntimeException: Default user group is not defined. Please
 select one using the "default: true" property
        at ru.tehkode.permissions.backends.FileBackend.getDefaultGroup(FileBacke
nd.java:164)
        at ru.tehkode.permissions.PermissionManager.getDefaultGroup(PermissionMa
nager.java:288)
        at ru.tehkode.permissions.PermissionManager.getDefaultGroup(PermissionMa
nager.java:277)
        at ru.tehkode.permissions.PermissionUser.getGroups(PermissionUser.java:2
21)
        at ru.tehkode.permissions.PermissionUser.getOption(PermissionUser.java:1
32)
        at ru.tehkode.permissions.PermissionEntity.getOptionBoolean(PermissionEn
tity.java:298)
        at ru.tehkode.permissions.PermissionEntity.initialize(PermissionEntity.j
ava:57)
        at ru.tehkode.permissions.PermissionUser.initialize(PermissionUser.java:
53)
        at ru.tehkode.permissions.ProxyPermissionUser.initialize(ProxyPermission
User.java:41)
        at ru.tehkode.permissions.PermissionManager.getUser(PermissionManager.ja
va:115)
        at com.earth2me.essentials.perm.PermissionsExHandler.getPrefix(Permissio
nsExHandler.java:75)
        at com.earth2me.essentials.perm.PermissionsHandler.getPrefix(Permissions
Handler.java:80)
        at com.earth2me.essentials.User.getNick(User.java:272)
        at com.earth2me.essentials.User.setDisplayNick(User.java:295)
        at com.earth2me.essentials.EssentialsPlayerListener.onPlayerJoin(Essenti
alsPlayerListener.java:137)
        ... 14 more
19:50:04 [SEVERE] Could not pass event org.bukkit.event.player.PlayerTeleportEve
nt to Essentials
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$103.execute(JavaPluginLoader.
java:1026)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:61)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:460)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:407)
        at net.minecraft.server.NetLoginHandler.b(NetLoginHandler.java:122)
        at net.minecraft.server.NetLoginHandler.a(NetLoginHandler.java:40)
        at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:6
1)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:537)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:435)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.bukkit.plugin.java.JavaPluginLoader$103.execute(JavaPluginLoader.
java:1024)
        ... 9 more
Caused by: java.lang.RuntimeException: Default user group is not defined. Please
 select one using the "default: true" property
        at ru.tehkode.permissions.backends.FileBackend.getDefaultGroup(FileBacke
nd.java:164)
        at ru.tehkode.permissions.PermissionManager.getDefaultGroup(PermissionMa
nager.java:288)
        at ru.tehkode.permissions.PermissionManager.getDefaultGroup(PermissionMa
nager.java:277)
        at ru.tehkode.permissions.PermissionUser.getGroups(PermissionUser.java:2
21)
        at ru.tehkode.permissions.PermissionUser.getOption(PermissionUser.java:1
32)
        at ru.tehkode.permissions.PermissionEntity.getOptionBoolean(PermissionEn
tity.java:298)
        at ru.tehkode.permissions.PermissionEntity.initialize(PermissionEntity.j
ava:57)
        at ru.tehkode.permissions.PermissionUser.initialize(PermissionUser.java:
53)
        at ru.tehkode.permissions.ProxyPermissionUser.initialize(ProxyPermission
User.java:41)
        at ru.tehkode.permissions.PermissionManager.getUser(PermissionManager.ja
va:115)
        at com.earth2me.essentials.perm.PermissionsExHandler.getPrefix(Permissio
nsExHandler.java:75)
        at com.earth2me.essentials.perm.PermissionsHandler.getPrefix(Permissions
Handler.java:80)
        at com.earth2me.essentials.User.getNick(User.java:272)
        at com.earth2me.essentials.User.setDisplayNick(User.java:295)
        at com.earth2me.essentials.EssentialsPlayerListener.onPlayerTeleport(Ess
entialsPlayerListener.java:245)
        ... 14 more
19:50:04 [SEVERE] java.lang.RuntimeException: Default user group is not defined.
 Please select one using the "default: true" property
19:50:04 [SEVERE]       at ru.tehkode.permissions.backends.FileBackend.getDefaul
tGroup(FileBackend.java:164)
19:50:04 [SEVERE]       at ru.tehkode.permissions.PermissionManager.getDefaultGr
oup(PermissionManager.java:288)
19:50:04 [SEVERE]       at ru.tehkode.permissions.PermissionManager.getDefaultGr
oup(PermissionManager.java:277)
19:50:04 [SEVERE]       at ru.tehkode.permissions.PermissionUser.getGroups(Permi
ssionUser.java:221)
19:50:04 [SEVERE]       at ru.tehkode.permissions.PermissionUser.getOption(Permi
ssionUser.java:132)
19:50:04 [SEVERE]       at ru.tehkode.permissions.PermissionEntity.getOptionBool
ean(PermissionEntity.java:298)
19:50:04 [SEVERE]       at ru.tehkode.permissions.PermissionEntity.initialize(Pe
rmissionEntity.java:57)
19:50:04 [SEVERE]       at ru.tehkode.permissions.PermissionUser.initialize(Perm
issionUser.java:53)
19:50:04 [SEVERE]       at ru.tehkode.permissions.ProxyPermissionUser.initialize
(ProxyPermissionUser.java:41)
19:50:04 [SEVERE]       at ru.tehkode.permissions.PermissionManager.getUser(Perm
issionManager.java:115)
19:50:04 [SEVERE]       at ru.tehkode.permissions.PermissionManager.getUser(Perm
issionManager.java:132)
19:50:04 [SEVERE]       at ru.tehkode.permissions.bukkit.PermissionsEx.getUser(P
ermissionsEx.java:157)
19:50:04 [SEVERE]       at ru.tehkode.permissions.bukkit.superperms.PermissibleP
EX.performCheck(PermissiblePEX.java:123)
19:50:04 [SEVERE]       at ru.tehkode.permissions.bukkit.superperms.PermissibleP
EX.checkPermission(PermissiblePEX.java:109)
19:50:04 [SEVERE]       at ru.tehkode.permissions.bukkit.superperms.PermissibleP
EX.hasPermission(PermissiblePEX.java:101)
19:50:04 [SEVERE]       at org.bukkit.craftbukkit.entity.CraftHumanEntity.hasPer
mission(CraftHumanEntity.java:66)
19:50:04 [SEVERE]       at cc.co.evenprime.bukkit.nocheat.player.NoCheatPlayerIm
pl.hasPermission(NoCheatPlayerImpl.java:47)
19:50:04 [SEVERE]       at cc.co.evenprime.bukkit.nocheat.checks.moving.MovingCh
eckListener.move(MovingCheckListener.java:221)
19:50:04 [SEVERE]       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native M
ethod)
19:50:04 [SEVERE]       at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown S
ource)
19:50:04 [SEVERE]       at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unkno
wn Source)
19:50:04 [SEVERE]       at java.lang.reflect.Method.invoke(Unknown Source)
19:50:04 [SEVERE]       at org.bukkit.plugin.java.JavaPluginLoader$103.execute(J
avaPluginLoader.java:1024)
19:50:04 [SEVERE]       at org.bukkit.plugin.RegisteredListener.callEvent(Regist
eredListener.java:61)
19:50:04 [SEVERE]       at org.bukkit.plugin.SimplePluginManager.callEvent(Simpl
ePluginManager.java:460)
19:50:04 [SEVERE]       at net.minecraft.server.NetServerHandler.a(NetServerHand
ler.java:191)
19:50:04 [SEVERE]       at net.minecraft.server.Packet10Flying.handle(SourceFile
:126)
19:50:04 [SEVERE]       at net.minecraft.server.NetworkManager.b(NetworkManager.
java:226)
19:50:04 [SEVERE]       at net.minecraft.server.NetServerHandler.a(NetServerHand
ler.java:100)
19:50:04 [SEVERE]       at net.minecraft.server.NetworkListenThread.a(NetworkLis
tenThread.java:78)
19:50:04 [SEVERE]       at net.minecraft.server.MinecraftServer.w(MinecraftServe
r.java:537)
19:50:04 [SEVERE]       at net.minecraft.server.MinecraftServer.run(MinecraftSer
ver.java:435)
19:50:04 [SEVERE]       at net.minecraft.server.ThreadServerApplication.run(Sour
ceFile:465)
19:50:04 [SEVERE] Could not pass event org.bukkit.event.player.PlayerMoveEvent t
o NoCheat
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$103.execute(JavaPluginLoader.
java:1026)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:61)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:460)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:191)
        at net.minecraft.server.Packet10Flying.handle(SourceFile:126)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:100)
        at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:7
8)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:537)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:435)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.bukkit.plugin.java.JavaPluginLoader$103.execute(JavaPluginLoader.
java:1024)
        ... 10 more
Caused by: java.lang.RuntimeException: Default user group is not defined. Please
 select one using the "default: true" property
        at ru.tehkode.permissions.backends.FileBackend.getDefaultGroup(FileBacke
nd.java:164)
        at ru.tehkode.permissions.PermissionManager.getDefaultGroup(PermissionMa
nager.java:288)
        at ru.tehkode.permissions.PermissionManager.getDefaultGroup(PermissionMa
nager.java:277)
        at ru.tehkode.permissions.PermissionUser.getGroups(PermissionUser.java:2
21)
        at ru.tehkode.permissions.PermissionUser.getOption(PermissionUser.java:1
32)
        at ru.tehkode.permissions.PermissionEntity.getOptionBoolean(PermissionEn
tity.java:298)
        at ru.tehkode.permissions.PermissionEntity.initialize(PermissionEntity.j
ava:57)
        at ru.tehkode.permissions.PermissionUser.initialize(PermissionUser.java:
53)
        at ru.tehkode.permissions.ProxyPermissionUser.initialize(ProxyPermission
User.java:41)
        at ru.tehkode.permissions.PermissionManager.getUser(PermissionManager.ja
va:115)
        at ru.tehkode.permissions.PermissionManager.getUser(PermissionManager.ja
va:132)
        at ru.tehkode.permissions.bukkit.PermissionsEx.getUser(PermissionsEx.jav
a:157)
        at ru.tehkode.permissions.bukkit.superperms.PermissiblePEX.isPermissionS
et(PermissiblePEX.java:199)
        at org.bukkit.permissions.PermissibleBase.hasPermission(PermissibleBase.
java:71)
        at ru.tehkode.permissions.bukkit.superperms.PermissiblePEX.checkPermissi
on(PermissiblePEX.java:112)
        at ru.tehkode.permissions.bukkit.superperms.PermissiblePEX.hasPermission
(PermissiblePEX.java:101)
        at org.bukkit.craftbukkit.entity.CraftHumanEntity.hasPermission(CraftHum
anEntity.java:66)
        at cc.co.evenprime.bukkit.nocheat.player.NoCheatPlayerImpl.hasPermission
(NoCheatPlayerImpl.java:47)
        at cc.co.evenprime.bukkit.nocheat.checks.moving.MovingCheckListener.move
(MovingCheckListener.java:221)
        ... 15 more
19:50:04 [SEVERE] Could not pass event org.bukkit.event.player.PlayerTeleportEve
nt to Essentials
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$103.execute(JavaPluginLoader.
java:1026)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:61)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:460)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:407)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:374)
        at net.minecraft.server.Packet10Flying.handle(SourceFile:126)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:100)
        at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:7
8)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:537)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:435)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.bukkit.plugin.java.JavaPluginLoader$103.execute(JavaPluginLoader.
java:1024)
        ... 11 more
Caused by: java.lang.RuntimeException: Default user group is not defined. Please
 select one using the "default: true" property
        at ru.tehkode.permissions.backends.FileBackend.getDefaultGroup(FileBacke
nd.java:164)
        at ru.tehkode.permissions.PermissionManager.getDefaultGroup(PermissionMa
nager.java:288)
        at ru.tehkode.permissions.PermissionManager.getDefaultGroup(PermissionMa
nager.java:277)
        at ru.tehkode.permissions.PermissionUser.getGroups(PermissionUser.java:2
21)
        at ru.tehkode.permissions.PermissionUser.getOption(PermissionUser.java:1
32)
        at ru.tehkode.permissions.PermissionEntity.getOptionBoolean(PermissionEn
tity.java:298)
        at ru.tehkode.permissions.PermissionEntity.initialize(PermissionEntity.j
ava:57)
        at ru.tehkode.permissions.PermissionUser.initialize(PermissionUser.java:
53)
        at ru.tehkode.permissions.ProxyPermissionUser.initialize(ProxyPermission
User.java:41)
        at ru.tehkode.permissions.PermissionManager.getUser(PermissionManager.ja
va:115)
        at com.earth2me.essentials.perm.PermissionsExHandler.getPrefix(Permissio
nsExHandler.java:75)
        at com.earth2me.essentials.perm.PermissionsHandler.getPrefix(Permissions
Handler.java:80)
        at com.earth2me.essentials.User.getNick(User.java:272)
        at com.earth2me.essentials.User.setDisplayNick(User.java:295)
        at com.earth2me.essentials.EssentialsPlayerListener.onPlayerTeleport(Ess
entialsPlayerListener.java:245)
        ... 16 more