Players unable to join multiplayer LAN singleplayer world: io.netty.handler.codec.EncoderException: java.lang.IllegalArgumentException: unable to fit 2232077 into 3

Players are unable to join to singleplayer LAN world. When they join, it says (player) joined game and then followed by (player) has left game. The attached version is 17w16b, but it is the same as this version and has yet to be resolved.