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# CampaignSystemLimitedStatusReason

A reason code indicating that a campaign is running but delivering at reduced capacity.

```
string CampaignSystemLimitedStatusReason
```

## Discussion

The `CampaignSystemLimitedStatusReason` values appear in the `systemStatusLimitingReasons` array on a [`Campaign`](/documentation/Apple-Ads-Platform-API/Campaign) alongside an active `systemStatus`. Unlike `CampaignSystemStatusReason`, these codes don’t stop delivery. They indicate conditions that constrain reach or impression volume.

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