---
title: CustomerEngagementSession.Error.incompatibleRequest
framework: ProximityReader
role: symbol
role_heading: Case
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+]
path: proximityreader/customerengagementsession/error/incompatiblerequest
---

# CustomerEngagementSession.Error.incompatibleRequest

An error that indicates the request is not compatible with the connected client type or version.

## Declaration

```swift
case incompatibleRequest
```