# Potential Structural Swift Concurrency Issue: unsafeForcedSync called from Swift Concurrent context

**URL:** <https://forums.swift.org/t/potential-structural-swift-concurrency-issue-unsafeforcedsync-called-from-swift-concurrent-context/82412>\
**Category:** Using Swift\
**Tags:** concurrency, error\
**Created:** [September 28, 2025, 11:20pm UTC](https://forums.swift.org/t/potential-structural-swift-concurrency-issue-unsafeforcedsync-called-from-swift-concurrent-context/82412 "2025-09-28T23:20:15Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![moreindirection](https://avatars.discourse-cdn.com/v4/letter/m/858c86/32.png) [@moreindirection](https://forums.swift.org/u/moreindirection)\
**Post date:** [September 28, 2025, 11:20pm UTC](https://forums.swift.org/t/potential-structural-swift-concurrency-issue-unsafeforcedsync-called-from-swift-concurrent-context/82412/1 "2025-09-28T23:20:15Z")

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I occasionally get the below runtime error in Xcode’s console:

```swift
Potential Structural Swift Concurrency Issue: unsafeForcedSync called from Swift Concurrent context.

```

What does this mean, and how can I resolve it? Googling it doesn’t turn up any results.

Is this an internal bug in Swift Concurrency, or something I’m potentially doing wrong?

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**Author:** ![KeithBauerANZ](https://sea2.discourse-cdn.com/swift/user_avatar/forums.swift.org/keithbaueranz/32/27897_2.png) [@KeithBauerANZ](https://forums.swift.org/u/KeithBauerANZ)\
**Post date:** [September 28, 2025, 11:39pm UTC](https://forums.swift.org/t/potential-structural-swift-concurrency-issue-unsafeforcedsync-called-from-swift-concurrent-context/82412/2 "2025-09-28T23:39:57Z")

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Looks like this comes from `/System/Library/PrivateFrameworks/AXCoreUtilities.framework/AXCoreUtilities` (rather than from Swift's runtime/stdlib)

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**Author:** ![eskimo](https://sea2.discourse-cdn.com/swift/user_avatar/forums.swift.org/eskimo/32/13558_2.png) [@eskimo](https://forums.swift.org/u/eskimo)\
**Post date:** [September 29, 2025, 7:00am UTC](https://forums.swift.org/t/potential-structural-swift-concurrency-issue-unsafeforcedsync-called-from-swift-concurrent-context/82412/3 "2025-09-29T07:00:47Z")

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Right. This is definitely coming from the platform accessibility subsystem rather than anything to do with Swift itself.

moreindirection, Given the above, my advice is that you ask about it over on the [Apple Developer Forums](https://developer.apple.com/forums/), and specifically in the [Accessibility & Inclusion \> General](https://developer.apple.com/forums/topics/accessibility-and-inclusion/accessibility-and-inclusion-general) subtopic. It’d help if you could include a crash report, per the advice in [Posting a Crash Report](https://developer.apple.com/forums/thread/688669).

I don’t monitor that subtopic normally, so reply here with the thread URL and I’ll be sure to take a look.

Share and Enjoy

Quinn “The Eskimo!” @ DTS @ Apple

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**Author:** ![moreindirection](https://avatars.discourse-cdn.com/v4/letter/m/858c86/32.png) [@moreindirection](https://forums.swift.org/u/moreindirection)\
**Post date:** [September 29, 2025, 10:59am UTC](https://forums.swift.org/t/potential-structural-swift-concurrency-issue-unsafeforcedsync-called-from-swift-concurrent-context/82412/4 "2025-09-29T10:59:33Z")

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Thanks, Quinn! I’ll post there.

This isn’t actually crashing the app - it’s just an error diagnostic that I see in the Xcode console. The app keeps running before and after the issue.

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<div class="post-metadata">

**Author:** ![moreindirection](https://avatars.discourse-cdn.com/v4/letter/m/858c86/32.png) [@moreindirection](https://forums.swift.org/u/moreindirection)\
**Post date:** [September 29, 2025, 11:01am UTC](https://forums.swift.org/t/potential-structural-swift-concurrency-issue-unsafeforcedsync-called-from-swift-concurrent-context/82412/5 "2025-09-29T11:01:23Z")

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I posted in the Developer Forums: [Potential Structural Swift Concurr… | Apple Developer Forums](https://developer.apple.com/forums/thread/802423)