Internal Exception: io.netty.handler.codec.DecoderException:java.IOException: Packet 0/0 (gn) was larger than i expected, found 25 bytes extra whilst reading packet 0

My friend killed me as i was about to teleport from the nether to the overworld and the error
Internal Exception: io.netty.handler.codec.DecoderException:java.IOException: Packet 0/0 (gn) was larger than i expected, found 25 bytes extra whilst reading packet 0

comes up and i cant log back in to the realm server that i own