Google Login Error: Legacy People API has not been used in project before or it is disabled

hello,

i am using this snippet Login with Google in ASP.Net

it is giving following error.

Code: 403 Message: Legacy People API has not been used in project 267319271861 before or it is disabled. Enable it by visiting https://console.developers.google.com/apis/api/legacypeople.googleapis.com/overview?project=267319271861 then retry. If you enabled this API recently, wait a few minutes for the action to propagate to our systems and retry.