Unexpected error while processing the request with nuxt.js

Following the guide here: https://developer.moovweb.com/guides/nuxt the deployment is successful but we are getting the following error after deployment:
Unexpected error while processing the request with nuxt.js

What could cause this?

  1. Make sure you are using a supported version of Node (12.x as of this writing)
  2. For Nuxt please ensure the steps in the guide are followed: https://developer.moovweb.com/guides/nuxt
  3. For details on the error, check the server log while that error is produced: https://developer.moovweb.com/guides/logs#section_server_logs

In this case, the error was a missing module