Redirection URIs Google Drive Problem

i'm trying to configure WHM backups on Google Drive. Already followed the intructions from have confirmed the HOSTNAME in WHM terminal But at the end of the validation processes in WHM after: 1-clicking on Generate Credentials 2-Selecting the google drive account 3-Give permissions on the App 4-Redirect URI error The redirected URI is not working showing Page not found The URL is correct and the hostname is confirmed on WHM Any hints?