SimpleClans SQL Error

2012-12-07 13:00:10 [SEVERE] [SimpleClans] An Error occurred: 0
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after statement closed.
	at sun.reflect.GeneratedConstructorAccessor116.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
	at java.lang.reflect.Constructor.newInstance(Unknown Source)
	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:1013)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982)
	at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)
	at com.mysql.jdbc.StatementImpl.checkClosed(StatementImpl.java:402)
	at com.mysql.jdbc.PreparedStatement.setInternal(PreparedStatement.java:3722)
	at com.mysql.jdbc.PreparedStatement.setInt(PreparedStatement.java:3679)
	at net.sacredlabyrinth.phaed.simpleclans.managers.StorageManager.updateClanPlayer(StorageManager.java:614)
	at net.sacredlabyrinth.phaed.simpleclans.managers.ClanManager.updateLastSeen(ClanManager.java:427)
	at net.sacredlabyrinth.phaed.simpleclans.listeners.SCPlayerListener$1.run(SCPlayerListener.java:224)
	at org.bukkit.craftbukkit.scheduler.CraftTask.run(CraftTask.java:53)
	at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345)
	at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:529)
	at net.minecraft.server.DedicatedServer.r(DedicatedServer.java:222)
	at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:493)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:426)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:856)