---
title: errSecMissingAttributeEffectiveBits
framework: security
role: symbol
role_heading: Global Variable
path: security/errsecmissingattributeeffectivebits
---

# errSecMissingAttributeEffectiveBits

An effective bits attribute is missing.

## Declaration

```swift
var errSecMissingAttributeEffectiveBits: OSStatus { get }
```