GoToConnect App: "Error: app_not_configured_for_user"

Problem

When signing into GoToConnect on your iPhone or Android, you see the following error:

Description

The GoToConnect app uses your phone's web browser during the log in process and your browser has a personal Google account connected.  The personal Google account is not configured for GoToConnect and the error is displayed "app_not_configured_for_user".  You will need to add your district Google account to the phone's web browser.  Follow the Fix instructions below.

Fix

1. Open your phone's web browser; Safari, Chrome, or Firefox and go to https://myaccount.google.com.

2. Click on your account avatar.

3. Click on Add another account.

4. Sign in with your district Google account username@centralusd.k12.ca.us