2013-06-18 17:41:56 [SEVERE] [ForgeModLoader] Error handling login related packet - connection from alexbegt [/127.0.0.1:55876] refused
java.lang.RuntimeException: Exception while creating a ServerPlayerBase of type 'class net.aetherteam.aether.PlayerBaseAetherServer'
	at ServerPlayerAPI.createServerPlayerBase(ServerPlayerAPI.java:1737)
	at ServerPlayerAPI.<init>(ServerPlayerAPI.java:1706)
	at ServerPlayerAPI.create(ServerPlayerAPI.java:1434)
	at net.minecraft.entity.player.EntityPlayerMP.<init>(jc.java:37)
	at net.minecraft.server.management.ServerConfigurationManager.attemptLogin(ServerConfigurationManager.java:434)
	at cpw.mods.fml.common.network.FMLNetworkHandler.handleVanillaLoginKick(FMLNetworkHandler.java:202)
	at cpw.mods.fml.common.network.FMLNetworkHandler.handleClientConnection(FMLNetworkHandler.java:158)
	at cpw.mods.fml.common.network.FMLNetworkHandler.onConnectionReceivedFromClient(FMLNetworkHandler.java:124)
	at net.minecraft.network.NetLoginHandler.func_72529_d(NetLoginHandler.java:191)
	at net.minecraft.network.NetLoginHandler.func_72532_c(NetLoginHandler.java:79)
	at net.minecraft.server.ServerListenThread.func_71766_a(ServerListenThread.java:57)
	at net.minecraft.server.dedicated.DedicatedServerListenThread.func_71747_b(SourceFile:29)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:852)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:320)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:721)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:605)
	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
	at java.lang.reflect.Constructor.newInstance(Unknown Source)
	at ServerPlayerAPI.createServerPlayerBase(ServerPlayerAPI.java:1731)
	... 16 more
Caused by: java.lang.NullPointerException
	at net.minecraft.server.management.ServerConfigurationManager.func_72353_e(ServerConfigurationManager.java:1272)
	at org.bukkit.craftbukkit.v1_5_R2.entity.CraftPlayer.isOp(CraftPlayer.java:75)
	at org.bukkit.permissions.PermissibleBase.isOp(PermissibleBase.java:36)
	at org.bukkit.permissions.PermissibleBase.recalculatePermissions(PermissibleBase.java:150)
	at org.bukkit.permissions.PermissibleBase.<init>(PermissibleBase.java:29)
	at org.bukkit.craftbukkit.v1_5_R2.entity.CraftHumanEntity.<init>(CraftHumanEntity.java:33)
	at org.bukkit.craftbukkit.v1_5_R2.entity.CraftPlayer.<init>(CraftPlayer.java:68)
	at org.bukkit.craftbukkit.v1_5_R2.entity.CraftEntity.getEntity(CraftEntity.java:39)
	at net.minecraft.entity.Entity.getBukkitEntity(Entity.java:2089)
	at net.minecraft.entity.player.EntityPlayer.getBukkitEntity(EntityPlayer.java:145)
	at net.minecraft.entity.player.EntityPlayerMP.getBukkitEntity(jc.java:1937)
	at net.minecraft.entity.player.EntityPlayerMP.getBukkitEntity(jc.java:32)
	at net.minecraft.inventory.ContainerPlayer.getBukkitView(ContainerPlayer.java:213)
	at net.minecraft.inventory.ContainerPlayer.func_75130_a(ContainerPlayer.java:76)
	at net.aetherteam.aether.containers.ContainerPlayerAether.<init>(ContainerPlayerAether.java:65)
	at net.aetherteam.aether.PlayerBaseAetherServer.<init>(PlayerBaseAetherServer.java:96)
	... 21 more