Node-Red exits with network connection goes down

[eschava]

With exception like

7 Jul 11:24:18 - ReferenceError: url is not defined
at Request._callback (/home/pi/.node-red/node_modules/node-red-contrib-cryptocompare/nodes/price.js:112:52)
at self.callback (/home/pi/.node-red/node_modules/request/request.js:185:22)
at Request.emit (events.js:314:20)
at Request.onRequestError (/home/pi/.node-red/node_modules/request/request.js:877:8)
at ClientRequest.emit (events.js:314:20)
at TLSSocket.socketErrorListener (_http_client.js:427:9)
at TLSSocket.emit (events.js:314:20)
at emitErrorNT (internal/streams/destroy.js:92:8)
at emitErrorAndCloseNT (internal/streams/destroy.js:60:3)
at processTicksAndRejections (internal/process/task_queues.js:84:21)