realms can't join

When i try to join a realm it says: Connection lost

internal Exception: io.netty.handler.codec.DecoderException:
java.lang.IndexOutOfBoundsException: readerIndex(35) + length(8)
exceeds writerIndex(36): UnpooledHeapByteBuf(ridx: 35, widx: 36, cap: 36)

It Happend when i was going from nether to the overworld and i died in the portal exactly when i was teleporting. Can anyone help me?