error from ssh when using rsync

debug1: SSH2_MSG_KEXINIT received
debug1: Failed to acquire GSS-API credentials for any mechanisms (No credentials were supplied, or the credentials were unavailable or inaccessible
Unknown code 0
)
debug1: SSH2_MSG_KEXINIT sent
debug1: kex: server->client aes128-ctr hmac-md5 none
debug1: kex: client->server aes128-ctr hmac-md5 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
Disconnecting: Protocol error: expected packet type 31, got 20
debug1: Calling cleanup 0x8067f9c(0x0)
debug1: channel_free: channel 0: client-session, nchannels 1
debug1: Calling cleanup 0x8074fe0(0x0)
rsync: writefd_unbuffered failed to write 4 bytes [sender]: Broken pipe (32)
rsync: connection unexpectedly closed (485142 bytes received so far) [sender]
rsync error: error in rsync protocol data stream (code 12) at io.c(453) [sender=2.6.9]