Zulu client registers with Serious Network Trouble; __sip_xmit returns error for pkt data

Whenever I start my Zulu client and right before it registers, I am getting a “Serious Network Trouble; _sipxmit returns error for pkt data”

[2017-04-10 22:27:55] ERROR[14188]: chan_sip.c:4204 __sip_reliable_xmit: Serious Network Trouble; __sip_xmit returns error for pkt data
== WebSocket connection from ‘192.168.1.254:56388’ for protocol ‘sip’ accepted using version ‘13’
[2017-04-10 22:28:02] ERROR[102227]: tcptls.c:397 tcptls_stream_close: SSL_shutdown() failed: 5
== WebSocket connection from ‘192.168.1.254:56207’ forcefully closed due to fatal write error