Console error in iOS4 SDK

*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '***    +[NSMutableArray<0x1019c4c> init]: cannot init a class object.'
*** Call stack at first throw:
(
0   CoreFoundation                      0x00facbe9 __exceptionPreprocess + 185
1   libobjc.A.dylib                     0x011015c2 objc_exception_throw + 47
2   CoreFoundation                      0x00fae50e +[NSObject(NSObject) init] + 174
3   myApplication                             0x00003f5f -[RootViewController viewDidLoad] + 557
4   UIKit                               0x0040465e -[UIViewController view] + 179
5   UIKit                               0x00402a57 -[UIViewController contentScrollView] + 42
6   UIKit                               0x00413201 -[UINavigationController _computeAndApplyScrollContentInsetDeltaForViewController:] + 48
7   UIKit                               0x00411831 -[UINavigationController _layoutViewController:] + 43
8   UIKit                               0x00412b4c -[UINavigationController _startTransition:fromViewController:toViewController:] + 524
9   UIKit                               0x0040d606 -[UINavigationController _startDeferredTransitionIfNeeded] + 266
10  UIKit                               0x00525e01 -[UILayoutContainerView layoutSubviews] + 226
11  QuartzCore                          0x00d4b451 -[CALayer layoutSublayers] + 181
12  QuartzCore                          0x00d4b17c CALayerLayoutIfNeeded + 220
13  QuartzCore                          0x00d4437c _ZN2CA7Context18commit_transac开发者_运维问答tionEPNS_11TransactionE + 310
14  QuartzCore                          0x00d440d0 _ZN2CA11Transaction6commitEv + 292
15  UIKit                               0x0035919f -[UIApplication _reportAppLaunchFinished] + 39
16  UIKit                               0x00359659 -[UIApplication _runWithURL:payload:launchOrientation:statusBarStyle:statusBarHidden:] + 690
17  UIKit                               0x00363db2 -[UIApplication handleEvent:withNewEvent:] + 1533
18  UIKit                               0x0035c202 -[UIApplication sendEvent:] + 71
19  UIKit                               0x00361732 _UIApplicationHandleEvent + 7576
20  GraphicsServices                    0x01467a36 PurpleEventCallback + 1550
21  CoreFoundation                      0x00f8e064 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 52
22  CoreFoundation                      0x00eee6f7 __CFRunLoopDoSource1 + 215
23  CoreFoundation                      0x00eeb983 __CFRunLoopRun + 979
24  CoreFoundation                      0x00eeb240 CFRunLoopRunSpecific + 208
25  CoreFoundation                      0x00eeb161 CFRunLoopRunInMode + 97
26  UIKit                               0x00358fa8 -[UIApplication _run] + 636
27  UIKit                               0x0036542e UIApplicationMain + 1160
28  myApplication                             0x000025e4 main + 102
29  myApplication                             0x00002575 start + 53
)

Compiled in Xcode 3.1 without any problems. But in Xcode 3.2.5, app is terminated due to an unknown reason. Please help.

There appears to be an issue with an NSMutableArray, can you check your source for the error that's being reported?