Error

22:32:11 [INFO] [LogBlock] Version check: Your version is up to date

22:32:11 [INFO] [LogBlock] Connecting to godgodgodgo@jdbc:mysql://mysqlhost:3306/godgodgodgo...

22:32:16 [INFO] [LogBlock] Found stored queue. Try to import now.

22:35:22 [WARNING] [LogBlock] Failed to import stored queue:

com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Column 'playerid' cannot be null

  at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

  at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)

  at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)

  at java.lang.reflect.Constructor.newInstance(Constructor.java:532)

  at com.mysql.jdbc.Util.handleNewInstance(Util.java:407)

  at com.mysql.jdbc.Util.getInstance(Util.java:382)

  at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1039)

  at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3593)

  at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3525)

  at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1986)

  at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2140)

  at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2620)

  at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2570)

  at com.mysql.jdbc.StatementImpl.execute(StatementImpl.java:779)

  at com.mysql.jdbc.StatementImpl.execute(StatementImpl.java:622)

  at de.diddiz.LogBlock.LogBlock.onLoad(LogBlock.java:87)

  at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:131)

  at org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:97)

  at net.minecraft.server.ServerConfigurationManager.<init>(ServerConfigurationManager.java:51)

  at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:132)

  at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:335)

  at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)