23 Feb 09:04:15

23 Feb 09:04:15 - [red] Uncaught Exception:
23 Feb 09:04:15 - 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 MQTTInNode.Node.send (/home/nsc/node-red/red/nodes.js:185:38)
    at /home/nsc/node-red/nodes/core/io/10-mqtt.js:87:22
    at MQTTClient.<anonymous> (/home/nsc/node-red/nodes/core/io/lib/mqttConnectionPool.js:59:37)
    at MQTTClient.EventEmitter.emit (events.js:117:20)
    at Connection.<anonymous> (/home/nsc/node-red/nodes/core/io/lib/mqtt.js:126:24)