google compute engine - googleComputeEngineR not connecting in R - Error 400 -


example code : https://cloudyr.github.io/googlecomputeenginer/

library(googlecomputeenginer)  sys.setenv(gce_auth_file="auth.json"         gce_default_project_id="dev-example"         gce_default_zone="us-west1-a") gce_auth() gce_get_project("dev-example")

request status code: 400 error in checkgoogleapierror(req) : json fetch error: invalid value 'dev-example'. values must match following regular expression: '(?:(?:[-a-z0-9]{1,63}.)*(?:a-z?):)?(?:[0-9]{1,19}|(?:a-z0-9?))'

the auth.json user credential download.

any suggestion working

opened json file , found correct project_id


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