[INFO] [Minigames] Noex quit parkur4
2013-01-14 21:09:25 [SEVERE] com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Column 'book_author' cannot be null
2013-01-14 21:09:25 [SEVERE] 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
2013-01-14 21:09:25 [SEVERE] 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
2013-01-14 21:09:25 [SEVERE] 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
2013-01-14 21:09:25 [SEVERE] 	at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
2013-01-14 21:09:25 [SEVERE] 	at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)
2013-01-14 21:09:25 [SEVERE] 	at com.mysql.jdbc.Util.getInstance(Util.java:382)
2013-01-14 21:09:25 [SEVERE] 	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1039)
2013-01-14 21:09:25 [SEVERE] 	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3593)
2013-01-14 21:09:25 [SEVERE] 	at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3525)
2013-01-14 21:09:25 [SEVERE] 	at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1986)
2013-01-14 21:09:25 [SEVERE] 	at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2140)
2013-01-14 21:09:25 [SEVERE] 	at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2626)
2013-01-14 21:09:25 [SEVERE] 	at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2111)
2013-01-14 21:09:25 [SEVERE] 	at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2407)
2013-01-14 21:09:25 [SEVERE] 	at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2325)
2013-01-14 21:09:25 [SEVERE] 	at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2310)
2013-01-14 21:09:25 [SEVERE] 	at uk.co.tggl.pluckerpluck.multiinv.mysql.SqlConnector.saveBook(SqlConnector.java:212)
2013-01-14 21:09:25 [SEVERE] 	at uk.co.tggl.pluckerpluck.multiinv.books.MIBook.<init>(MIBook.java:107)
2013-01-14 21:09:25 [SEVERE] 	at uk.co.tggl.pluckerpluck.multiinv.inventory.MIItemStack.<init>(MIItemStack.java:47)
2013-01-14 21:09:25 [SEVERE] 	at uk.co.tggl.pluckerpluck.multiinv.inventory.MIInventory.<init>(MIInventory.java:31)
2013-01-14 21:09:25 [SEVERE] 	at uk.co.tggl.pluckerpluck.multiinv.player.MIPlayer.saveInventory(MIPlayer.java:59)
2013-01-14 21:09:25 [SEVERE] 	at uk.co.tggl.pluckerpluck.multiinv.listener.MIPlayerListener.onPlayerGameModeChange(MIPlayerListener.java:178)
2013-01-14 21:09:25 [SEVERE] 	at sun.reflect.GeneratedMethodAccessor483.invoke(Unknown Source)
2013-01-14 21:09:25 [SEVERE] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
2013-01-14 21:09:25 [SEVERE] 	at java.lang.reflect.Method.invoke(Method.java:601)
2013-01-14 21:09:25 [SEVERE] 	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
2013-01-14 21:09:25 [SEVERE] 	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
2013-01-14 21:09:25 [SEVERE] 	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
2013-01-14 21:09:25 [SEVERE] 	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
2013-01-14 21:09:25 [SEVERE] 	at org.bukkit.craftbukkit.v1_4_6.entity.CraftPlayer.setGameMode(CraftPlayer.java:543)
2013-01-14 21:09:25 [SEVERE] 	at com.pauldavdesign.mineauz.minigames.PlayerData.storePlayerData(PlayerData.java:372)
2013-01-14 21:09:25 [SEVERE] 	at com.pauldavdesign.mineauz.minigames.gametypes.SPMinigame.joinMinigame(SPMinigame.java:36)
2013-01-14 21:09:25 [SEVERE] 	at com.pauldavdesign.mineauz.minigames.PlayerData.joinMinigame(PlayerData.java:54)
2013-01-14 21:09:25 [SEVERE] 	at com.pauldavdesign.mineauz.minigames.Events.onSignUse(Events.java:149)
2013-01-14 21:09:25 [SEVERE] 	at sun.reflect.GeneratedMethodAccessor163.invoke(Unknown Source)
2013-01-14 21:09:25 [SEVERE] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
2013-01-14 21:09:25 [SEVERE] 	at java.lang.reflect.Method.invoke(Method.java:601)
2013-01-14 21:09:25 [SEVERE] 	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
2013-01-14 21:09:25 [SEVERE] 	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
2013-01-14 21:09:25 [SEVERE] 	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
2013-01-14 21:09:25 [SEVERE] 	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
2013-01-14 21:09:25 [SEVERE] 	at org.bukkit.craftbukkit.v1_4_6.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:178)
2013-01-14 21:09:25 [SEVERE] 	at net.minecraft.server.v1_4_6.PlayerInteractManager.interact(PlayerInteractManager.java:376)
2013-01-14 21:09:25 [SEVERE] 	at net.minecraft.server.v1_4_6.PlayerConnection.a(PlayerConnection.java:656)
2013-01-14 21:09:25 [SEVERE] 	at net.minecraft.server.v1_4_6.Packet15Place.handle(SourceFile:58)
2013-01-14 21:09:25 [SEVERE] 	at net.minecraft.server.v1_4_6.NetworkManager.b(NetworkManager.java:290)
2013-01-14 21:09:25 [SEVERE] 	at net.minecraft.server.v1_4_6.PlayerConnection.d(PlayerConnection.java:112)
2013-01-14 21:09:25 [SEVERE] 	at net.minecraft.server.v1_4_6.ServerConnection.b(SourceFile:39)
2013-01-14 21:09:25 [SEVERE] 	at net.minecraft.server.v1_4_6.DedicatedServerConnection.b(SourceFile:30)
2013-01-14 21:09:25 [SEVERE] 	at net.minecraft.server.v1_4_6.MinecraftServer.r(MinecraftServer.java:585)
2013-01-14 21:09:25 [SEVERE] 	at net.minecraft.server.v1_4_6.DedicatedServer.r(DedicatedServer.java:224)
2013-01-14 21:09:25 [SEVERE] 	at net.minecraft.server.v1_4_6.MinecraftServer.q(MinecraftServer.java:481)
2013-01-14 21:09:25 [SEVERE] 	at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:416)
2013-01-14 21:09:25 [SEVERE] 	at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849)