심각: Column 'category' not found.
java.sql.SQLException: Column 'category' not found.
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1055)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:926)
at com.mysql.jdbc.ResultSetImpl.findColumn(ResultSetImpl.java:1136)
at com.mysql.jdbc.ResultSetImpl.getInt(ResultSetImpl.java:2777)
at com.mchange.v2.c3p0.impl.NewProxyResultSet.getInt(NewProxyResultSet.java:2573)
at l1j.server.server.datatables.SmeltingStoneInfo.<init>(SmeltingStoneInfo.java:33)
at l1j.server.server.datatables.SmeltingInfoTable.load(SmeltingInfoTable.java:46)
at l1j.server.server.datatables.SmeltingInfoTable.<init>(SmeltingInfoTable.java:28)
at l1j.server.server.datatables.SmeltingInfoTable.getInstance(SmeltingInfoTable.java:23)
at l1j.server.server.model.Instance.L1ItemInstance.getStatusBytes(L1ItemInstance.java:6780)
at l1j.server.server.serverpackets.S_InvList.<init>(S_InvList.java:160)
at l1j.server.server.clientpackets.C_LoginToServer.sendItemPacket(C_LoginToServer.java:1447)
at l1j.server.server.clientpackets.C_LoginToServer.login(C_LoginToServer.java:310)
at l1j.server.server.clientpackets.C_LoginToServer.<init>(C_LoginToServer.java:189)
at l1j.server.server.PacketHandler.handlePacket(PacketHandler.java:87)
at l1j.server.server.GameClient.handle(GameClient.java:330)
at l1j.server.MJNetServer.Codec.MJNSHandler.channelRead(MJNSHandler.java:174)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:341)
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:341)
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926)
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:129)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:642)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:565)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:479)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:441)
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144)
at java.lang.Thread.run(Unknown Source)

java.lang.NullPointerException
at l1j.server.server.serverpackets.S_InvList.<init>(S_InvList.java:244)
at l1j.server.server.clientpackets.C_LoginToServer.sendItemPacket(C_LoginToServer.java:1447)
at l1j.server.server.clientpackets.C_LoginToServer.login(C_LoginToServer.java:310)
at l1j.server.server.clientpackets.C_LoginToServer.<init>(C_LoginToServer.java:189)
at l1j.server.server.PacketHandler.handlePacket(PacketHandler.java:87)
at l1j.server.server.GameClient.handle(GameClient.java:330)
at l1j.server.MJNetServer.Codec.MJNSHandler.channelRead(MJNSHandler.java:174)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:341)
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293)
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:341)
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926)
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:129)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:642)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:565)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:479)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:441)
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144)
at java.lang.Thread.run(Unknown Source)



캐릭만 재접속하면 접속은 되는데 맵도 못불러와 캐릭도 못불러와 ㅠㅠ 죄다 사라지는데 어떻게 고칠수 있을까요?