---
title: gestaltDupSelectorErr
framework: coreservices
role: symbol
role_heading: Global Variable
path: coreservices/gestaltdupselectorerr
---

# gestaltDupSelectorErr

Specifies you tried to add an entry that already existed.

## Declaration

```swift
var gestaltDupSelectorErr: Int { get }
```

## See Also

### Result Codes

- [gestaltUnknownErr](coreservices/gestaltunknownerr.md)
- [gestaltUndefSelectorErr](coreservices/gestaltundefselectorerr.md)
- [gestaltLocationErr](coreservices/gestaltlocationerr.md)