2013-01-30 13:34:34 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'register' in plugin AuthMe v2.7.6
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:186)
        at org.bukkit.craftbukkit.v1_4_R1.CraftServer.dispatchCommand(CraftServer.java:514)
        at net.minecraft.server.v1_4_R1.PlayerConnection.handleCommand(PlayerConnection.java:980)
        at net.minecraft.server.v1_4_R1.PlayerConnection.chat(PlayerConnection.java:898)
        at net.minecraft.server.v1_4_R1.PlayerConnection.a(PlayerConnection.java:853)
        at net.minecraft.server.v1_4_R1.Packet3Chat.handle(Packet3Chat.java:44)
        at net.minecraft.server.v1_4_R1.NetworkManager.b(NetworkManager.java:290)
        at net.minecraft.server.v1_4_R1.PlayerConnection.d(PlayerConnection.java:113)
        at net.minecraft.server.v1_4_R1.ServerConnection.b(SourceFile:39)
        at net.minecraft.server.v1_4_R1.DedicatedServerConnection.b(SourceFile:30)
        at net.minecraft.server.v1_4_R1.MinecraftServer.r(MinecraftServer.java:598)
        at net.minecraft.server.v1_4_R1.DedicatedServer.r(DedicatedServer.java:224)
        at net.minecraft.server.v1_4_R1.MinecraftServer.q(MinecraftServer.java:494)
        at net.minecraft.server.v1_4_R1.MinecraftServer.run(MinecraftServer.java:427)
        at net.minecraft.server.v1_4_R1.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.NullPointerException
        at uk.org.whoami.authme.datasource.MySQLDataSource.saveAuth(MySQLDataSource.java:228)
        at uk.org.whoami.authme.datasource.CacheDataSource.saveAuth(CacheDataSource.java:50)
        at uk.org.whoami.authme.commands.RegisterCommand.onCommand(RegisterCommand.java:132)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
        ... 15 more