Possible duniter crash
2017-02-01T17:13:56+01:00 - error: Unhandled rejection: Error: not opened
2017-02-01T17:13:56+01:00 - error: Error: not opened
at WebSocket.send (/opt/duniter/sources/node_modules/ws/lib/WebSocket.js:219:16)
at /opt/duniter/sources/node_modules/duniter-bma/lib/bma.js:107:14
at next (native)
at onFulfilled (/opt/duniter/sources/node_modules/co/index.js:65:19)
at process._tickCallback (internal/process/next_tick.js:103:7)