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Editorial Team
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Editorial Team
Asked: May 15, 20262026-05-15T11:42:59+00:00 2026-05-15T11:42:59+00:00

I have a navigation controller, which has the following structure: Category Item Item Detail

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I have a navigation controller, which has the following structure:

Category
    Item
        Item Detail

I can choose a category, and then choose an item to see its details. I can do this twice, i.e. go Back to the list of items and select another item. If i try this a third time, the app crashes, I get objc_msgSend in stack but thats all. But, instead of choosing another item, i go to the list of categories, and choose a different category, I can select two items in that category, before it crashes also.

What would be causing this?

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  1. Editorial Team
    Editorial Team
    2026-05-15T11:42:59+00:00Added an answer on May 15, 2026 at 11:42 am

    Solved. I was overreleasing a variable. Used Allocations in Instruments with the record reference counts and nszombie options switched on to track it down.

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