---
title: AdAttributionKitError.invalidConversionTag
framework: AdAttributionKit
role: symbol
role_heading: Case
platforms: [iOS 18.4+, iPadOS 18.4+, Mac Catalyst 18.4+]
path: adattributionkit/adattributionkiterror/invalidconversiontag
---

# AdAttributionKitError.invalidConversionTag

The postback update failed due to an invalid conversion tag

## Declaration

```swift
case invalidConversionTag
```