Process exited before completing request

[neelgajjar1]

Skill is not starting, when I'm testing it on Lamda Testing
Here is my log output

"
TART RequestId: 5fbdb50d-b3ff-11e7-87de-33ac6e4b53aa Version: $LATEST
2017-10-18T12:25:06.366Z bb576013-b3fe-11e7-9013-d3268e7deffe TypeError: alexa.emit(...).listen is not a function
at /var/task/index.js:197:40
at Request._callback (/var/task/node_modules/ical/node-ical.js:10:14)
at self.callback (/var/task/node_modules/request/request.js:199:22)
at emitOne (events.js:77:13)
at Request.emit (events.js:169:7)
at Request.onRequestError (/var/task/node_modules/request/request.js:821:8)
at emitOne (events.js:77:13)
at ClientRequest.emit (events.js:169:7)
at Socket.socketOnEnd (_http_client.js:285:9)
at emitNone (events.js:72:20)
END RequestId: 5fbdb50d-b3ff-11e7-87de-33ac6e4b53aa
REPORT RequestId: 5fbdb50d-b3ff-11e7-87de-33ac6e4b53aa Duration: 252.18 ms Billed Duration: 300 ms Memory Size: 128 MB Max Memory Used: 43 MB
RequestId: 5fbdb50d-b3ff-11e7-87de-33ac6e4b53aa Process exited before completing request

"

Kindly help please!!!