---
title: MetricManager.LaunchTaskError.Reason.duplicateTask
framework: metrickit
role: symbol
role_heading: Case
path: metrickit/metricmanager/launchtaskerror/reason-swift.enum/duplicatetask
---

# MetricManager.LaunchTaskError.Reason.duplicateTask

A task with the same ID has already been started.

## Declaration

```swift
case duplicateTask
```

## See Also

### Error reasons

- [MetricManager.LaunchTaskError.Reason.invalidID](metrickit/metricmanager/launchtaskerror/reason-swift.enum/invalidid.md)
- [MetricManager.LaunchTaskError.Reason.maxCountExceeded](metrickit/metricmanager/launchtaskerror/reason-swift.enum/maxcountexceeded.md)
- [MetricManager.LaunchTaskError.Reason.pastDeadline](metrickit/metricmanager/launchtaskerror/reason-swift.enum/pastdeadline.md)
- [MetricManager.LaunchTaskError.Reason.taskUnknown](metrickit/metricmanager/launchtaskerror/reason-swift.enum/taskunknown.md)
- [MetricManager.LaunchTaskError.Reason.internalFailure](metrickit/metricmanager/launchtaskerror/reason-swift.enum/internalfailure.md)