I followed this tutorial link
https://docs.particle.io/tutorials/integrations/google-cloud-platform/#storing-data-in-a-datastore-database
In the last topic, Storing Data in a Datastore Database, I have configured gcpProjectId, gcpPubSubSubscriptionName and gcpServiceAccountKeyFilePath and I got an error.
configuration
command prompt (run as adminitrator)
GCP pub/sub