Error: Cannot parse protocolId

[sentry-io]

Sentry Issue: NETWORK-P

Error: Cannot parse protocolId
  File "/home/ubuntu/.nvm/versions/node/v12.7.0/lib/node_modules/@streamr/broker/node_modules/mqtt-packet/parser.js", line 143, in Parser._parseConnect
    if (protocolId === null) return this._emitError(new Error('Cannot parse protocolId'))
  File "/home/ubuntu/.nvm/versions/node/v12.7.0/lib/node_modules/@streamr/broker/node_modules/mqtt-packet/parser.js", line 84, in Parser._parsePayload
    this._parseConnect()
  File "/home/ubuntu/.nvm/versions/node/v12.7.0/lib/node_modules/@streamr/broker/node_modules/mqtt-packet/parser.js", line 39, in Parser.parse
    this[this._states[this._stateCounter]]() &&
  File "/home/ubuntu/.nvm/versions/node/v12.7.0/lib/node_modules/@streamr/broker/node_modules/mqtt-connection/lib/parseStream.js", line 14, in DestroyableTransform.process [as _transform]
    that.parser.parse(chunk)
  File "/home/ubuntu/.nvm/versions/node/v12.7.0/lib/node_modules/@streamr/broker/node_modules/readable-stream/lib/_stream_transform.js", line 184, in DestroyableTransform.Transform._read
    this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
...
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