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# signatureDurationInvalid

The error code to indicate that the length of the generated signature is too long or too short to make a match in the catalog.

```
static var signatureDurationInvalid: SHError.Code { get }
```

## Discussion

This error occurs when the length of the generated signature is less than [`minimumQuerySignatureDuration`](/documentation/ShazamKit/SHCatalog/minimumQuerySignatureDuration) or greater than [`maximumQuerySignatureDuration`](/documentation/ShazamKit/SHCatalog/maximumQuerySignatureDuration) for the session [`catalog`](/documentation/ShazamKit/SHSession/catalog).

---

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