Help! Cant Login To Server

[thetravis0916]

I logged on this morning and it worked fine and now i cant log on to my server and i don't know why. Please help!

 

[Nessiroj]

Looks like a problem with a barrel

    at factorization.common.FactorizationHack.loadItemStackFromDataInput(FactorizationHack.java:42)
    at factorization.common.TileEntityBarrel.handleMessageFromServer(TileEntityBarrel.java:522)
    at factorization.common.NetworkFactorization.handleTE(NetworkFactorization.java:302)
    at factorization.common.NetworkFactorization.handlePacketData(NetworkFactorization.java:225)
    at factorization.common.NetworkFactorization.handle(NetworkFactorization.java:217)
    at cpw.mods.fml.common.network.NetworkRegistry.handleTinyPacket(NetworkRegistry.java:342)
    at cpw.mods.fml.common.network.FMLNetworkHandler.handlePacket131Packet(FMLNetworkHandler.java:408)

Can you try to open the world in singleplayer?