Unauthorized (invalid_grant) The Combination of This Email Address and Certificate Is Not Valid

Issue

In Riva Cloud or Riva On-Premise, this Google connection error may occur:

The error message means that the credentials and the user email address do not match.

Possible Causes and Their Solutions

• The user's email address is incorrect.
  — Possible solutions:
  • Ask the user to provide the correct email address when authenticating.
  • Ensure that the Riva Google connection has the correct email address.
     

• The user has revoked the OAuth mode from his or her Google account.
  — Solution: Ask the user to restore OAuth mode to his or her Google account.

• The G Suite administrator has assigned the user to a Google organization that does not have access to Riva.
  — Solution: Ask the G Suite administrator to assign the user to a Google organization that has access to Riva.

• The G Suite administrator has revoked Riva's service mode access.
  — Solution: Ask the G Suite administrator to restore Riva's access.