Help, loaded a custom world into Minecraft Realms. When trying to connect to the world the following error appears:

internal exception: io.netty.handler.codec.decoderexception: java.lang.indexoutofboundsexception: readerindex(33) + length(4) exceeds writerindex(35): PooledUnsafeDirectByteBuf(ridx: 33, widx:3, cap: 35)