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Editorial Team
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Asked: 2026-05-17T21:04:39+00:00

I receive the following error message in my debugger console: bool _WebTryThreadLock(bool), 0x7400460: Multiple

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I receive the following error message in my debugger console:

bool _WebTryThreadLock(bool), 0x7400460: Multiple locks on web thread not allowed! Please file a bug. Crashing now...

This occurs when I:

  1. Load an UIViewController
  2. Load an UIWebView from within this UIViewController
  3. Then I push a second UIViewController from the first UIViewController
  4. Load a second UIWebView from within the second UIViewController

I believe this has something to do with access to the UIWebView resource, but I´m really not sure.

Can anyone help me with this error?

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1 Answer

  1. Editorial Team

    Found this has to be a iphone simulator bug.

    Will file a bug report to Apple.

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