Based on the search term "google google account manager," you are likely looking for one of two things:
Always verify:
For most users, the solution is to of the Account Manager via system settings, then re-add their Google account. For developers, it’s a reminder to handle token refresh failures gracefully in apps using Google Sign-In. google google account manager
If your phone is showing "Google Play Services has stopped" or your Gmail won't sync, the Google Account Manager might be glitching. Based on the search term "google google account