Enum describing possible product link invitation errors.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v24/errors/product_link_invitation_error.proto)

| Enums ||
|---|---|
| ## `CUSTOMER_NOT_PERMITTED_TO_CREATE_INVITATION` | The customer is not permitted to create the invitation. |
| ## `INVALID_ADVERTISING_PARTNER_ALLOWED_DOMAIN` | The `allowed_domain` property for the advertising partner is invalid. |
| ## `INVALID_STATUS` | The invitation status is invalid. |
| ## `NO_INVITATION_REQUIRED` | An invitation could not be created, since the user already has admin access to the invited account. Use the ProductLinkService to directly create an active link. |
| ## `PERMISSION_DENIED` | The customer doesn't have the permission to perform this action |
| ## `UNKNOWN` | The received error code is not known in the version. |
| ## `UNSPECIFIED` | Enum unspecified. |