---
title: invalidImpressionId
framework: storekittest
role: symbol
role_heading: Type Property
path: storekittest/skadtesterror/invalidimpressionid
---

# invalidImpressionId

The impression ID isn’t a valid UUID string.

## Declaration

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

## See Also

### Getting Other Errors

- [invalidVersion](storekittest/skadtesterror/invalidversion.md)
- [invalidSourceAppAdamId](storekittest/skadtesterror/invalidsourceappadamid.md)
- [invalidSourceDomain](storekittest/skadtesterror/invalidsourcedomain.md)
- [invalidSourceIdentifier](storekittest/skadtesterror/invalidsourceidentifier.md)
- [unknownError](storekittest/skadtesterror/unknownerror.md)