Iphone – terminate called after throwing an instance of ‘NSException’ Error Xcode

I'm trying to compile my app (which is a scanner (a fake ;])).
But in the simulator (and in my iTouch), the app crashes.

This is what I've got :

[Session started at 2010-10-03 00:25:56 +0200.]
GNU gdb 6.3.50-20050815 (Apple version gdb-1472) (Thu Aug  5 05:54:10 UTC 2010)
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This GDB was configured as "--host=i386-apple-darwin --target=arm-apple-darwin".
tty /dev/ttys000
Loading program into debugger…
Program loaded.
target remote-mobile /tmp/.XcodeGDBRemote-93926-50
Switching to remote-macosx protocol
mem 0x1000 0x3fffffff cache
mem 0x40000000 0xffffffff none
mem 0x00000000 0x0fff none
run
Running…
[Switching to thread 11523]
[Switching to thread 11523]
sharedlibrary apply-load-rules all
continue
warning: Unable to read symbols for "/Library/MobileSubstrate/MobileSubstrate.dylib" (file not found).
warning: Unable to read symbols for "/Library/MobileSubstrate/MobileLoader.dylib" (file not found).
2010-10-03 00:26:42.312 Scaning[1037:307] MS:Notice: Installing: com.xsoxsoft.Scaning [Scaning] (550.32)
2010-10-03 00:26:42.558 Scaning[1037:307] MS:Notice: Loading: /Library/MobileSubstrate/DynamicLibraries/Activator.dylib
warning: Unable to read symbols for "/Library/MobileSubstrate/DynamicLibraries/Activator.dylib" (file not found).
2010-10-03 00:26:43.435 Scaning[1037:307] MS:Notice: Loading: /Library/MobileSubstrate/DynamicLibraries/SimulatedKeyEvents.dylib
warning: Unable to read symbols for "/Library/MobileSubstrate/DynamicLibraries/SimulatedKeyEvents.dylib" (file not found).
warning: Unable to read symbols for "/Developer/Platforms/iPhoneOS.platform/DeviceSupport/4.0/Symbols/usr/lib/libsubstrate.dylib" (file not found).
2010-10-03 00:26:43.705 Scaning[1037:307] MS:Notice: Loading: /Library/MobileSubstrate/DynamicLibraries/libstatusbar.dylib
warning: Unable to read symbols for "/Library/MobileSubstrate/DynamicLibraries/libstatusbar.dylib" (file not found).
2010-10-03 00:26:43.929 Scaning[1037:307] MS:Notice: Loading: /Library/MobileSubstrate/DynamicLibraries/sandcastleclient.dylib
warning: Unable to read symbols for "/Library/MobileSubstrate/DynamicLibraries/sandcastleclient.dylib" (file not found).
2010-10-03 00:26:45.248 Scaning[1037:307] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: '-[UIViewController _loadViewFromNibNamed:bundle:] loaded the "UntitledViewController" nib but the view outlet was not set.'
*** Call stack at first throw:
(
 0   CoreFoundation                      0x36440303 __exceptionPreprocess + 114
 1   libobjc.A.dylib                     0x3523d4c4 objc_exception_throw + 40
 2   CoreFoundation                      0x364401c7 +[NSException raise:format:arguments:] + 70
 3   CoreFoundation                      0x364401fb +[NSException raise:format:] + 30
 4   UIKit                               0x32556fd4 -[UIViewController _loadViewFromNibNamed:bundle:] + 300
 5   UIKit                               0x32489e10 -[UIViewController loadView] + 128
 6   UIKit                               0x323e57c8 -[UIViewController view] + 52
 7   Scaning                             0x00002c43 -[UntitledAppDelegate application:didFinishLaunchingWithOptions:] + 78
 8   UIKit                               0x3236f100 -[UIApplication _callInitializationDelegatesForURL:payload:suspended:] + 1116
 9   UIKit                               0x3251d6d4 -[UIApplication _runWithURL:payload:launchOrientation:statusBarStyle:statusBarHidden:] + 300
 10  UIKit                               0x323d87c0 -[UIApplication handleEvent:withNewEvent:] + 1792
 11  UIKit                               0x323d7ebc -[UIApplication sendEvent:] + 68
 12  UIKit                               0x323d77f0 _UIApplicationHandleEvent + 6712
 13  GraphicsServices                    0x33c4dee4 PurpleEventCallback + 1032
 14  CoreFoundation                      0x364142b3 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 28
 15  CoreFoundation                      0x364161dd __CFRunLoopDoSource1 + 164
 16  CoreFoundation                      0x36417195 __CFRunLoopRun + 580
 17  CoreFoundation                      0x363be0c3 CFRunLoopRunSpecific + 226
 18  CoreFoundation                      0x363bdfd1 CFRunLoopRunInMode + 60
 19  UIKit                               0x32363b20 -[UIApplication _run] + 532
 20  UIKit                               0x32361fc0 UIApplicationMain + 972
 21  Scaning                             0x00002bc1 main + 80
 22  Scaning                             0x00002b6c start + 40
)
terminate called after throwing an instance of 'NSException'
Program received signal:  “SIGABRT”.
kill
quit

Can someone help me?