Getting objc_msg send exception while release navigation controller and view controller in presentmodelviewcontroller

Question

Hi Guys,

I'm getting exception in dealloc when I release navcontroller and viewcontroller of presentmodelviewcontrolelr the code that i wrote

    MasterViewController*  viewController  = [[MasterViewController alloc] init];

viewController.pathIsFrom = @"Home";
isBookMark=YES;
viewController.isBookmark=isBookMark;
UINavigationController *itemNavController = [[UINavigationController alloc] initWithRootViewController:viewController];
itemNavController.navigationBar.barStyle= UIBarStyleBlackOpaque;

[self.navigationController presentModalViewController:itemNavController animated:YES];
[itemNavController release];
[viewController release];

can anyone help me.

Thanks In advance.