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# Campaign.SystemStatusReasons

A reason code explaining why a campaign isn’t currently running.

```
string Campaign.SystemStatusReasons
```

## Discussion

These reasons span budget, billing, app eligibility, and Sapin Law conditions, so resolving `NOT_RUNNING` often means checking more than just the campaign’s own settings.

### Example

```json
{
  "systemStatusReasons": ["PROCESSING"]
}
```

See [`CampaignSystemStatusReason`](/documentation/Apple-Ads-Platform-API/CampaignSystemStatusReason) for additional context.

---

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