Admin roles and privileges tab, check if your role is a Super Admin.
Show moreat the bottom to view additional pages.
MANAGE THIRD-PARTY APP ACCESSlink.
Add appthen select
OAuth App Name or Client ID.
896496487864-0bq252frk3u80q051aucqabr6t92jr7cand paste it into the search bar, you will be able to find Relate app. Select Relate app to proceed.