1 Mar 07:05:01

1 Mar 07:05:01 - [red] Uncaught Exception:
1 Mar 07:05:01 - Error: not opened
    at WebSocket.send (/home/nsc/node-red/node_modules/ws/lib/WebSocket.js:187:16)
    at WebSocketListenerNode.broadcast (/home/nsc/node-red/nodes/core/io/22-websocket.js:111:32)
    at WebSocketOutNode.<anonymous> (/home/nsc/node-red/nodes/core/io/22-websocket.js:161:31)
    at WebSocketOutNode.EventEmitter.emit (events.js:95:17)
    at WebSocketOutNode.Node.receive (/home/nsc/node-red/red/nodes.js:197:10)
    at DelayNode.Node.send (/home/nsc/node-red/red/nodes.js:185:38)
    at null.<anonymous> (/home/nsc/node-red/nodes/core/core/89-delay.js:118:30)
    at wrapper [as _onTimeout] (timers.js:252:14)
    at Timer.listOnTimeout [as ontimeout] (timers.js:110:15)