Dexmill

I get this bug when ever i try to log onto a modded server with my friends. The game says loading world then crashes. internal exeption: io.netty.handler.codec.DecoderExeption:java.lang.IndexOutOfBoundsExeption:readerIndex(12) + length(1) execedes writerIndex(12): pooledUnsafeDirectByteBuf(ridx: 12, widx: 12, cap 12)