> [!CAUTION]
> **Caution:** This documentation is for Google Ads API **v23** . The latest active version is [**v26**](https://developers.google.com/google-ads/api/reference/rpc/latest/AccessInvitationErrorEnum.AccessInvitationError).

Enum describing possible AccessInvitation errors.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v23/errors/access_invitation_error.proto)

| Enums ||
|---|---|
| ## `EMAIL_ADDRESS_ALREADY_HAS_ACCESS` | Email address already has access to this customer. |
| ## `EMAIL_ADDRESS_ALREADY_HAS_PENDING_INVITATION` | Email address already has a pending invitation. |
| ## `EMAIL_DOMAIN_POLICY_VIOLATED` | Email address doesn't conform to the email domain policy. See <https://support.google.com/google-ads/answer/2375456> |
| ## `GOOGLE_CONSUMER_ACCOUNT_NOT_ALLOWED` | Email address cannot be like [abc+foo@google.com](mailto:abc+foo@google.com). |
| ## `INVALID_EMAIL_ADDRESS` | The email address is invalid for sending an invitation. |
| ## `INVALID_INVITATION_ID` | Invalid invitation ID. |
| ## `INVALID_INVITATION_STATUS` | Invalid invitation status for the operation. |
| ## `PENDING_INVITATIONS_LIMIT_EXCEEDED` | Pending invitation limit exceeded for the customer. |
| ## `UNKNOWN` | The received error code is not known in this version. |
| ## `UNSPECIFIED` | Enum unspecified. |