Serverless: Operation failed!

[bickart]

Following the steps outlined in https://serverless-stack.com/chapters/deploy-your-hello-world-api.html results in

Serverless Error ----------------------------------------

An error occurred: HelloLambdaFunction - Resource handler returned message: "Uploaded file must be a non-empty zip (Service: Lambda, Status Code: 400, Request ID: 498dad45-05ab-440e-b0c1-0d70c1e4e837, Extended Request ID: null)" (RequestToken: 6a2142f9-eb12-b170-ebc5-fcfb0fa503ae, HandlerErrorCode: InvalidRequest).

Get Support --------------------------------------------
Docs: docs.serverless.com
Bugs: github.com/serverless/serverless/issues
Issues: forum.serverless.com

Your Environment Information ---------------------------
Operating System: darwin
Node Version: 16.3.0
Framework Version: 2.44.0
Plugin Version: 5.2.0
SDK Version: 4.2.3
Components Version: 3.11.0