So far, we have found out that the slider resets whenever the GUI is left, and it doesn't do anything; all enchantments done are all calculated at level 1, regardless of the position of the slider. Also this happens when the Auto Drink checkbox is checked then unchecked:

[FML]: There was a critical exception handling a packet on channel OpenMods|RPC
io.netty.handler.codec.DecoderException: java.lang.NullPointerException
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:99) ~[MessageToMessageDecoder.class:?
]
at io.netty.handler.codec.MessageToMessageCodec.channelRead(MessageToMessageCodec.java:111) ~[MessageToMessageCodec.class:?]
at io.netty.channel.DefaultChannelHandlerContext.invokeChannelRead(DefaultChannelHandlerContext.java:337) ~[DefaultChannelHandle
rContext.class:?]
at io.netty.channel.DefaultChannelHandlerContext.fireChannelRead(DefaultChannelHandlerContext.java:323) ~[DefaultChannelHandlerC
ontext.class:?]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:785) ~[DefaultChannelPipeline.class:?]
at io.netty.channel.embedded.EmbeddedChannel.writeInbound(EmbeddedChannel.java:169) ~[EmbeddedChannel.class:?]
at cpw.mods.fml.common.network.internal.FMLProxyPacket.func_148833_a(FMLProxyPacket.java:77) [FMLProxyPacket.class:?]
at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:212) [ej.class:?]
at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:165) [nc.class:?]
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:659) [MinecraftServer.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:335) [lt.class:?]
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:547) [MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:427) [MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685) [li.class:?]
Caused by: java.lang.NullPointerException
at openmods.network.rpc.targets.SyncRpcTarget.getSyncMap(SyncRpcTarget.java:52) ~[SyncRpcTarget.class:?] |
at openmods.network.rpc.targets.SyncRpcTarget.readFromStreamStream(SyncRpcTarget.java:59) ~[SyncRpcTarget.class:?] |
at openmods.network.rpc.RpcCallCodec.decode(RpcCallCodec.java:70) ~[RpcCallCodec.class:?] |
at openmods.network.rpc.RpcCallCodec.decode(RpcCallCodec.java:21) ~[RpcCallCodec.class:?] |
at io.netty.handler.codec.MessageToMessageCodec$2.decode(MessageToMessageCodec.java:81) ~[MessageToMessageCodec$2.class:?] |
at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89) ~[MessageToMessageDecoder.class:?|
] |
... 13 more

Not sure if it helps, but we are using Mekanism to feed into the table.

Sincerely,
Curtis Filchner

Problem fixed in 6bffc76, stacktrace unrelated