---
title: "WAError.serviceAlreadySubscribing(_:)"
framework: wifiaware
role: symbol
role_heading: Case
path: "wifiaware/waerror/servicealreadysubscribing(_:)"
---

# WAError.serviceAlreadySubscribing(_:)

An error that occurs if a new subscriber or Network/NetworkBrowser can’t be created.

## Declaration

```swift
case serviceAlreadySubscribing(WAError.ServiceAlreadySubscribingDetails)
```

## Discussion

Discussion This error occurs if a subscriber is already active on the service.

## See Also

### Checking for service already in use

- [WAError.ServiceAlreadySubscribingDetails](wifiaware/waerror/servicealreadysubscribingdetails.md)
- [WAError.serviceAlreadyPublishing(_:)](wifiaware/waerror/servicealreadypublishing(_:).md)
- [WAError.ServiceAlreadyPublishingDetails](wifiaware/waerror/servicealreadypublishingdetails.md)