When some of my players enter a part of our world, they get disconnected for the reason below. Every time they try to reconnect, they get disconnected almost instantly. Others who tp to their location get disconnected as well. Only way to fix this I found is to teleport them away right as they join.

Disconnection Message:
Connection Lost: Internal Exception: io.netty.handler.codec.DecoderException: java.lang.IndexOutOfBoundsxception: readerIndex(12) + length(1) exceeds writerIndex(12): UnpooledHeapByteBuf(rids: 12, widx: 12, cap: 12)