Getting non-empty zip issue in backend cdk deployment

[LvrongLin]

Below error was returned during cdk deploy for backend

❌ VideoMakerWithNovaReelStack failed: _ToolkitError: The stack named VideoMakerWithNovaReelStack failed creation, it may need to be manually deleted from the AWS console: ROLLBACK_COMPLETE: Resource handler returned message: "Uploaded file must be a non-empty zip (Service: Lambda, Status Code: 400, Request ID: 0b789956-de1d-4017-95b2-d68f3553276d) (SDK Attempt Count: 1)" (RequestToken: 4db830e1-b8b7-56d4-28b7-e0425bc6424c, HandlerErrorCode: InvalidRequest)