Obtain Token Problem

I already do follow the solution about the problem during obtain token, but i found something error while put this :

https://www.googleapis.com/auth/photoslibrary.readonly
https://www.googleapis.com/auth/photoslibrary.sharing

already click the setting icon and inser ID and secret but after click Authorize API’s the error like this :

Error 400: redirect_uri_mismatch
The redirect URI in the request, https://developers.google.com/oauthplayground, does not match the ones authorized for the OAuth client. To update the authorized redirect URIs, visit: https://console.developers.google.com/apis/credentials/oauthclient/${your_client_id}?project=${your_project_number}

What is wrong ?

Thanks

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