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I am getting the following error while building app on IOS 9 devices.. No issues with older version ios. . Anyway to fix this issue .

see the error details the end of application launch' *** First throw call stack: (0x183fc8f5c 0x198bbff80 0x183fc8e2c 0x184eb7f3c 0x1897c0688 0x1897bd2e4 0x18dd0f7ec 0x18dd0fb6c 0x183f805a4 0x183f80038 0x183f7dd38 0x183eacdc0 0x18958c0ac 0x189586f44 0x10007b154 0x1993ea8b8) libc++abi.dylib: terminating with uncaught exception of type NSException (lldb) 

#import <UIKit/UIKit.h>
int main(int argc, char *argv[]) {

NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
int retVal = UIApplicationMain(argc, argv, nil, nil);             Thread 1 signal SIGABRT
[pool release];
return retVal;
Jeremy Huddleston Sequoia
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    please add Exception breakpoint to catch the Line – Mo Farhand Oct 10 '15 at 13:48
  • *** Assertion failure in -[UIApplication _runWithMainScene:transitionContext:completion:], /BuildRoot/Library/Caches/com.apple.xbs/Sources/UIKit/UIKit-3505.17/UIApplication.m:3294 – Porepedia Channel Oct 10 '15 at 14:41
  • That's still not the appropriate one. You should quote the message which tells you the problem: "Application windows are expected to have a root view controller at the end of application launch". Please see the dupe for more information. – Jeremy Huddleston Sequoia Oct 10 '15 at 22:16
  • Possible duplicate of ["Application windows are expected to have a root view controller at the end of application launch" error when running a project with Xcode 7, iOS 9](http://stackoverflow.com/questions/30884896/application-windows-are-expected-to-have-a-root-view-controller-at-the-end-of-a) – Jeremy Huddleston Sequoia Oct 10 '15 at 22:16

1 Answers1

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i think you problem will solve with this way : Set your self.window.rootRootController after 

[self.window makeKeyAndVisible]

[window setRootViewController:viewController];

please see this link :

“Application windows are expected to have a root view controller at the end of application launch” error when running a project with Xcode 7, iOS 9

also :

Assertion failure in -[UIApplication _runWithMainScene:transitionContext:completion:],

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Mo Farhand
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