sigabrt error when loading nib files
<p>I am working on a project in which I start with I have a nav controller. I load a login page first then move to a login success page where I have few buttons to click, when I click on any of the button here I get this error.  When I tried to debug the code, I hav a break point at the button click method, before it executes any code there I get this. Here is the log. Can any one please help me with this. Thanks in advance</p>

<pre><code>2010-10-07 23:15:28.868 Cattle_try1[14417:207] -[__NSCFType onYardMapBtnClick]: unrecognized selector sent to instance 0x6149a40
2010-10-07 23:15:28.872 Cattle_try1[14417:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSCFType onYardMapBtnClick]: unrecognized selector sent to instance 0x6149a40'
*** Call stack at first throw:
(
    0   CoreFoundation                      0x02655b99 __exceptionPreprocess + 185
    1   libobjc.A.dylib                     0x027a540e objc_exception_throw + 47
    2   CoreFoundation                      0x026576ab -[NSObject(NSObject) doesNotRecognizeSelector:] + 187
    3   CoreFoundation                      0x025c72b6 ___forwarding___ + 966
    4   CoreFoundation                      0x025c6e72 _CF_forwarding_prep_0 + 50
    5   UIKit                               0x002b47f8 -[UIApplication sendAction:to:from:forEvent:] + 119
    6   UIKit                               0x0033fde0 -[UIControl sendAction:to:forEvent:] + 67
    7   UIKit                               0x00342262 -[UIControl(Internal) _sendActionsForEvents:withEvent:] + 527
    8   UIKit                               0x00340e0f -[UIControl touchesEnded:withEvent:] + 458
    9   UIKit                               0x002d83d0 -[UIWindow _sendTouchesForEvent:] + 567
    10  UIKit                               0x002b9cb4 -[UIApplication sendEvent:] + 447
    11  UIKit                               0x002be9bf _UIApplicationHandleEvent + 7672
    12  GraphicsServices                    0x02f35822 PurpleEventCallback + 1550
    13  CoreFoundation                      0x02636ff4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 52
    14  CoreFoundation                      0x02597807 __CFRunLoopDoSource1 + 215
    15  CoreFoundation                      0x02594a93 __CFRunLoopRun + 979
    16  CoreFoundation                      0x02594350 CFRunLoopRunSpecific + 208
    17  CoreFoundation                      0x02594271 CFRunLoopRunInMode + 97
    18  GraphicsServices                    0x02f3400c GSEventRunModal + 217
    19  GraphicsServices                    0x02f340d1 GSEventRun + 115
    20  UIKit                               0x002c2af2 UIApplicationMain + 1160
    21  Cattle_try1                         0x00002338 main + 102
    22  Cattle_try1                         0x000022c9 start + 53
)
terminate called after throwing an instance of 'NSException'
Program received signal:  “SIGABRT”.
kill
quit
</code></pre>

<p>The Debugger has exited with status 0.</p>
