> [!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/SmartCampaignNotEligibleReasonEnum.SmartCampaignNotEligibleReason).

Reasons for why a Smart campaign is not eligible to serve.

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

| Enums ||
|---|---|
| ## `ACCOUNT_ISSUE` | The campaign is not eligible to serve because of an issue with the account. |
| ## `ALL_ADS_DISAPPROVED` | All system-generated ads have been disapproved. Consult the policy_summary field in the AdGroupAd resource for more details. |
| ## `BILLING_ISSUE` | The campaign is not eligible to serve because of a payment issue. |
| ## `BUSINESS_PROFILE_LOCATION_REMOVED` | The business profile location associated with the campaign has been removed. |
| ## `UNKNOWN` | The received value is not known in this version. This is a response-only value. |
| ## `UNSPECIFIED` | The status has not been specified. |