---
title: NFCPresentmentIntentAssertion.Error.systemNotAvailable
framework: corenfc
role: symbol
role_heading: Case
path: corenfc/nfcpresentmentintentassertion/error/systemnotavailable
---

# NFCPresentmentIntentAssertion.Error.systemNotAvailable

The system is unavailable because it’s in the cool-down period.

## Declaration

```swift
case systemNotAvailable
```

## Discussion

Discussion CoreNFC enforces a cool-down period after one NFCPresentmentIntentAssertion invalidates and before you can acquire another one. If you receive this error, wait a short time before trying to acquire a new NFCPresentmentIntentAssertion.

## See Also

### Presentment intent assertion errors

- [NFCPresentmentIntentAssertion.Error.systemEligibilityFailed](corenfc/nfcpresentmentintentassertion/error/systemeligibilityfailed.md)