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Editorial Team
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Asked: 2026-06-15T02:17:06+00:00

I made a magazine iPad app so you can scroll through different slides to

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I made a magazine iPad app so you can scroll through different slides to the left, right, down and up. It’s all ready and accepted by the iTunes app store. Problem is, if someone downloads the app it closes directly after 1 seconds of loading.

Weird part is that i installed the app trough xCode and all works without any problems. My guess is that the app takes too much memory. I made a screenshot of the memory instrument:

Memory instrument

But how can i release a Srollview if it must be loaded all the time?

Hope someone could push me in the right direction!

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1 Answer

  1. Editorial Team

    I have tested your app on my iPad2 with iOS 5.1.1, and it crash with the following message:

    OxygenEvents[97151] <Error>: *** Terminating app due to uncaught exception 'NSInvalidUnarchiveOperationException', reason: 'Could not instantiate class named NSLayoutConstraint'
    *** First throw call stack:
    (0x375c388f 0x31638259 0x375c3789 0x375c37ab 0x309de54d 0x309de6bb 0x309de423 0x3096f001 0x308dd3c7 0x307bac59 0x30730c17 0x10d5d5 0x30730c8b 0x109beb 0x30730c8b 0x3072f461 0x30721e87 0x307927d5 0x10960b 0x3072fcab 0x307297dd 0x306f7ac3 0x306f7567 0x306f6f3b 0x3771322b 0x37597523 0x375974c5 0x37596313 0x375194a5 0x3751936d 0x3072886b 0x30725cd5 0x10944f 0xf0050)

    It is because you use “Autolayout” in your Interface Builder files (nib / xib files), which is an iOS 6.0 only feature.

    To solve this, either disable Autolayout in all your xib files like this:

    uncheck Autolayout

    or simply make your app iOS 6.0 only by setting deployment target as iOS 6.0

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