So me and my friend started playing in realms, we both joined our old world we played in previous versions only to find my friend(whom was in the over-world) was forced out of the realm with in a split second(every time he joined). As for me I was in the 'nether' and I could Join Just fine! ...But as soon as I entered the over-world I encountered an error the same to my friends error.
My error==>Internal Exception: io.netty.handler.decoderException: Java.;ang.IndexOutofBoundsException: readerindex(9) +
Length(1) exceeds writerIndex (9): UnpooledHeapByteBuf(ridx: 9, widx: 9, cap: 9)