---
title: unknown
framework: pushtotalk
role: symbol
role_heading: Type Property
path: pushtotalk/ptinstantiationerror-swift.struct/unknown
---

# unknown

An instantiation error that indicates an unknown error.

## Declaration

```swift
static var unknown: PTInstantiationError.Code { get }
```

## See Also

### Constants

- [invalidPlatform](pushtotalk/ptinstantiationerror-swift.struct/invalidplatform.md)
- [missingBackgroundMode](pushtotalk/ptinstantiationerror-swift.struct/missingbackgroundmode.md)
- [missingPushServerEnvironment](pushtotalk/ptinstantiationerror-swift.struct/missingpushserverenvironment.md)
- [missingEntitlement](pushtotalk/ptinstantiationerror-swift.struct/missingentitlement.md)
- [instantiationAlreadyInProgress](pushtotalk/ptinstantiationerror-swift.struct/instantiationalreadyinprogress.md)