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Home/ Questions/Q 3489274
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Editorial Team
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Editorial Team
Asked: May 18, 20262026-05-18T11:22:33+00:00 2026-05-18T11:22:33+00:00

I have authenticated my user with fb-connect in my application then when user click

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I have authenticated my user with fb-connect in my application then when user click somewhere i open a facebook app URL in webview but before it get opened I get an error saying “The operation could not be completed. NSURLErrorDomain error -999”

Any idea?

Thanks is advance

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  1. Editorial Team
    Editorial Team
    2026-05-18T11:22:33+00:00Added an answer on May 18, 2026 at 11:22 am

    According to “Foundation Constants Reference”, error code -999 means “NSURLErrorCancelled”.

    Description:

    Returned when an asynchronous load is
    canceled. A Web Kit framework delegate
    will receive this error when it
    performs a cancel operation on a
    loading resource. Note that an
    NSURLConnection or NSURLDownload
    delegate will not receive this error
    if the download is canceled. Available
    in iOS 2.0 and later. Declared in
    NSURLError.h.

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