ios - App crashes on iPad simulator -

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i building universal app. app working fine iphone 5 , iphone 4(different storyboard) crashes when trying run ipad 6.1

this error:

-[accounttableviewcontroller topviewcontroller]: unrecognized selector sent instance 0xab52620  2013-08-19 21:13:35.527 [6871:c07] *** terminating app due uncaught        exception 'nsinvalidargumentexception', reason: '-[accounttableviewcontroller topviewcontroller]: unrecognized selector sent instance 0xab52620'  *** first throw call stack: (0x2131012 0x1c26e7e 0x21bc4bd 0x2120bbc 0x212094e 0x2c1a 0xb68157 0xb68747 0xb6994b 0xb7acb5 0xb7bbeb 0xb6d698 0x2b10df9 0x2b10ad0 0x20a6bf5 0x20a6962 0x20d7bb6 0x20d6f44 0x20d6e1b 0xb6917a 0xb6affc 0x252d 0x2455) libc++abi.dylib: terminate called throwing exception

you calling uinavigationcontroller method topviewcontroller on uitableview instance accounttableviewcontroller.

without code, it's little difficult more specific, maybe want calling method on uitableview's navigation controller?


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