---
title: invalidWinningPostbackCount
framework: storekittest
role: symbol
role_heading: Type Property
path: storekittest/skadtesterror/invalidwinningpostbackcount
---

# invalidWinningPostbackCount

The number of winning postbacks isn’t valid, in the testing environment.

## Declaration

```swift
static var invalidWinningPostbackCount: SKAdTestError.Code { get }
```

## Discussion

Discussion A valid session has one or three winning postbacks.

## See Also

### Getting Postback Errors

- [excessivePostbacks](storekittest/skadtesterror/excessivepostbacks.md)
- [invalidConversionValue](storekittest/skadtesterror/invalidconversionvalue.md)
- [invalidPostbackURL](storekittest/skadtesterror/invalidpostbackurl.md)
- [invalidRunnerUpPostback](storekittest/skadtesterror/invalidrunneruppostback.md)
- [malformedPostbacks](storekittest/skadtesterror/malformedpostbacks.md)
- [missingPostbacks](storekittest/skadtesterror/missingpostbacks.md)
- [misplacedWinnerPostback](storekittest/skadtesterror/misplacedwinnerpostback.md)
- [missingWinningPostback](storekittest/skadtesterror/missingwinningpostback.md)
- [noPendingPostbacks](storekittest/skadtesterror/nopendingpostbacks.md)
- [unlinkedWinningPostbacks](storekittest/skadtesterror/unlinkedwinningpostbacks.md)